Home / 14,432.98-19,909.92-9,125.86

Finding the Fourth Proportional to 14,432.98, 19,909.92 and 9,125.86

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Solution

The fourth proportional to 14,432.98, 19,909.92 and 9,125.86 is: 12,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.98 : 19,909.92 = 9,125.86 : x
  2. Step 2: Convert to fraction form
    14,432.98/19,909.92 = 9,125.86/x
  3. Step 3: Cross multiply
    14,432.98x = 19,909.92 × 9,125.86
  4. Step 4: Simplify right side
    14,432.98x = 181,695,142.53
  5. Step 5: Solve for x
    x = 181,695,142.53/14,432.98
  6. Step 6: Final answer
    x = 12,588.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.