Home / 11,490.20-17,233.17-3,169.13

Finding the Fourth Proportional to 11,490.20, 17,233.17 and 3,169.13

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Solution

The fourth proportional to 11,490.20, 17,233.17 and 3,169.13 is: 4,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.20 : 17,233.17 = 3,169.13 : x
  2. Step 2: Convert to fraction form
    11,490.20/17,233.17 = 3,169.13/x
  3. Step 3: Cross multiply
    11,490.20x = 17,233.17 × 3,169.13
  4. Step 4: Simplify right side
    11,490.20x = 54,614,156.04
  5. Step 5: Solve for x
    x = 54,614,156.04/11,490.20
  6. Step 6: Final answer
    x = 4,753.11

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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.