Home / 18,451.38-27,704.92-14,742.60

Finding the Fourth Proportional to 18,451.38, 27,704.92 and 14,742.60

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Solution

The fourth proportional to 18,451.38, 27,704.92 and 14,742.60 is: 22,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.38 : 27,704.92 = 14,742.60 : x
  2. Step 2: Convert to fraction form
    18,451.38/27,704.92 = 14,742.60/x
  3. Step 3: Cross multiply
    18,451.38x = 27,704.92 × 14,742.60
  4. Step 4: Simplify right side
    18,451.38x = 408,442,553.59
  5. Step 5: Solve for x
    x = 408,442,553.59/18,451.38
  6. Step 6: Final answer
    x = 22,136.15

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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.