Home / 16,282.80-22,458.60-9,997.20

Finding the Fourth Proportional to 16,282.80, 22,458.60 and 9,997.20

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Solution

The fourth proportional to 16,282.80, 22,458.60 and 9,997.20 is: 13,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,282.80 : 22,458.60 = 9,997.20 : x
  2. Step 2: Convert to fraction form
    16,282.80/22,458.60 = 9,997.20/x
  3. Step 3: Cross multiply
    16,282.80x = 22,458.60 × 9,997.20
  4. Step 4: Simplify right side
    16,282.80x = 224,523,115.92
  5. Step 5: Solve for x
    x = 224,523,115.92/16,282.80
  6. Step 6: Final answer
    x = 13,788.97

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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.