Home / 10,990.38-16,489.14-3,593.16

Finding the Fourth Proportional to 10,990.38, 16,489.14 and 3,593.16

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Solution

The fourth proportional to 10,990.38, 16,489.14 and 3,593.16 is: 5,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.38 : 16,489.14 = 3,593.16 : x
  2. Step 2: Convert to fraction form
    10,990.38/16,489.14 = 3,593.16/x
  3. Step 3: Cross multiply
    10,990.38x = 16,489.14 × 3,593.16
  4. Step 4: Simplify right side
    10,990.38x = 59,248,104.81
  5. Step 5: Solve for x
    x = 59,248,104.81/10,990.38
  6. Step 6: Final answer
    x = 5,390.90

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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.