Proportion Calculator: Step-by-Step Solutions in Seconds

About Proportion Calculator

The Proportion Calculator is used to solve proportion problems and find the missing value in a proportion (Step by Step). Whether you're a student, teacher, or professional, understanding and calculating proportions is now at your fingertips.

What is a Proportion?

A proportion represents the relationship between two quantities, signifying that two ratios are equivalent. For instance, the fraction 1/3 is equivalent to 2/6, showcasing the fundamental concept of proportions.

Understanding the Formula of Proportion:

The essence of a proportion lies in its formula, which allows us to equate two ratios and solve for an unknown value. The basic formula for proportion is represented as:

\[ \frac{a}{b} = \frac{c}{d} \]

Where:

• (a) and (b) are values from the first ratio.
• (c) and (d) are values from the second ratio.

To solve for a missing value in a proportion, you can cross-multiply and then solve for the unknown variable. For instance, if you know (a), (b), and (c) but want to find (d), you can rearrange the formula:

\[ d = \frac{b \times c}{a} \]

Our Proportion Calculator not only gives you the result but also provides a step-by-step breakdown using this formula, ensuring you understand the calculation process thoroughly.

Watch the 1-min video to learn how to use the Proportion Calculator

Reference

• Proportion (mathematics) - Wikipedia
• Worked example: Solving proportions - Khan Academy

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