Home / 13,073.27-19,609.90-5,287.55

Finding the Fourth Proportional to 13,073.27, 19,609.90 and 5,287.55

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Solution

The fourth proportional to 13,073.27, 19,609.90 and 5,287.55 is: 7,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.27 : 19,609.90 = 5,287.55 : x
  2. Step 2: Convert to fraction form
    13,073.27/19,609.90 = 5,287.55/x
  3. Step 3: Cross multiply
    13,073.27x = 19,609.90 × 5,287.55
  4. Step 4: Simplify right side
    13,073.27x = 103,688,215.48
  5. Step 5: Solve for x
    x = 103,688,215.48/13,073.27
  6. Step 6: Final answer
    x = 7,931.32

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.