Home / 11,082.20-16,607.10-9,429.80

Finding the Fourth Proportional to 11,082.20, 16,607.10 and 9,429.80

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Solution

The fourth proportional to 11,082.20, 16,607.10 and 9,429.80 is: 14,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.20 : 16,607.10 = 9,429.80 : x
  2. Step 2: Convert to fraction form
    11,082.20/16,607.10 = 9,429.80/x
  3. Step 3: Cross multiply
    11,082.20x = 16,607.10 × 9,429.80
  4. Step 4: Simplify right side
    11,082.20x = 156,601,631.58
  5. Step 5: Solve for x
    x = 156,601,631.58/11,082.20
  6. Step 6: Final answer
    x = 14,130.92

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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.