Home / 9,535.27-13,157.45-5,286.29

Finding the Fourth Proportional to 9,535.27, 13,157.45 and 5,286.29

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Solution

The fourth proportional to 9,535.27, 13,157.45 and 5,286.29 is: 7,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.27 : 13,157.45 = 5,286.29 : x
  2. Step 2: Convert to fraction form
    9,535.27/13,157.45 = 5,286.29/x
  3. Step 3: Cross multiply
    9,535.27x = 13,157.45 × 5,286.29
  4. Step 4: Simplify right side
    9,535.27x = 69,554,068.40
  5. Step 5: Solve for x
    x = 69,554,068.40/9,535.27
  6. Step 6: Final answer
    x = 7,294.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.