Home / 42,306.30-63,463.77-11,143.98

Finding the Fourth Proportional to 42,306.30, 63,463.77 and 11,143.98

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Solution

The fourth proportional to 42,306.30, 63,463.77 and 11,143.98 is: 16,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,306.30 : 63,463.77 = 11,143.98 : x
  2. Step 2: Convert to fraction form
    42,306.30/63,463.77 = 11,143.98/x
  3. Step 3: Cross multiply
    42,306.30x = 63,463.77 × 11,143.98
  4. Step 4: Simplify right side
    42,306.30x = 707,238,983.60
  5. Step 5: Solve for x
    x = 707,238,983.60/42,306.30
  6. Step 6: Final answer
    x = 16,717.11

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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.