Home / 20,002.24-29,988.96-12,508.48

Finding the Fourth Proportional to 20,002.24, 29,988.96 and 12,508.48

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Solution

The fourth proportional to 20,002.24, 29,988.96 and 12,508.48 is: 18,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.24 : 29,988.96 = 12,508.48 : x
  2. Step 2: Convert to fraction form
    20,002.24/29,988.96 = 12,508.48/x
  3. Step 3: Cross multiply
    20,002.24x = 29,988.96 × 12,508.48
  4. Step 4: Simplify right side
    20,002.24x = 375,116,306.38
  5. Step 5: Solve for x
    x = 375,116,306.38/20,002.24
  6. Step 6: Final answer
    x = 18,753.71

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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.