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Set up the proportion as an equation.

May 13, 2026Mathematics

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Answer

6

3 steps

Here's the solution for the first problem.

: If the ratios $12:36 = x:18$ are in proportion. What is the value of $x$ ?

Set up the proportion as an equation.
A proportion states that two ratios are equal.
$\frac{12}{36} = \frac{x}{18}$
Simplify the left side of the equation.
$\frac{12}{36} = \frac{1}{3}$
So the equation becomes:
$\frac{1}{3} = \frac{x}{18}$
Solve for $x$ by multiplying both sides by 18.
$x = \frac{1}{3} \times 18$ $x = \frac{18}{3}$ $x = 6$
The value of $x$ is:
$6$