Home / 16,375.20-24,530.40-9,781.80

Finding the Fourth Proportional to 16,375.20, 24,530.40 and 9,781.80

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Solution

The fourth proportional to 16,375.20, 24,530.40 and 9,781.80 is: 14,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.20 : 24,530.40 = 9,781.80 : x
  2. Step 2: Convert to fraction form
    16,375.20/24,530.40 = 9,781.80/x
  3. Step 3: Cross multiply
    16,375.20x = 24,530.40 × 9,781.80
  4. Step 4: Simplify right side
    16,375.20x = 239,951,466.72
  5. Step 5: Solve for x
    x = 239,951,466.72/16,375.20
  6. Step 6: Final answer
    x = 14,653.35

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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.