Home / 16,385.20-24,581.46-8,985.86

Finding the Fourth Proportional to 16,385.20, 24,581.46 and 8,985.86

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Solution

The fourth proportional to 16,385.20, 24,581.46 and 8,985.86 is: 13,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.20 : 24,581.46 = 8,985.86 : x
  2. Step 2: Convert to fraction form
    16,385.20/24,581.46 = 8,985.86/x
  3. Step 3: Cross multiply
    16,385.20x = 24,581.46 × 8,985.86
  4. Step 4: Simplify right side
    16,385.20x = 220,885,558.16
  5. Step 5: Solve for x
    x = 220,885,558.16/16,385.20
  6. Step 6: Final answer
    x = 13,480.80

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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.