Home / 42,167.40-63,251.10-11,002.65

Finding the Fourth Proportional to 42,167.40, 63,251.10 and 11,002.65

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Solution

The fourth proportional to 42,167.40, 63,251.10 and 11,002.65 is: 16,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,167.40 : 63,251.10 = 11,002.65 : x
  2. Step 2: Convert to fraction form
    42,167.40/63,251.10 = 11,002.65/x
  3. Step 3: Cross multiply
    42,167.40x = 63,251.10 × 11,002.65
  4. Step 4: Simplify right side
    42,167.40x = 695,929,715.42
  5. Step 5: Solve for x
    x = 695,929,715.42/42,167.40
  6. Step 6: Final answer
    x = 16,503.98

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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.