Home / 21,049.20-29,046.96-11,617.56

Finding the Fourth Proportional to 21,049.20, 29,046.96 and 11,617.56

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Solution

The fourth proportional to 21,049.20, 29,046.96 and 11,617.56 is: 16,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.20 : 29,046.96 = 11,617.56 : x
  2. Step 2: Convert to fraction form
    21,049.20/29,046.96 = 11,617.56/x
  3. Step 3: Cross multiply
    21,049.20x = 29,046.96 × 11,617.56
  4. Step 4: Simplify right side
    21,049.20x = 337,454,800.62
  5. Step 5: Solve for x
    x = 337,454,800.62/21,049.20
  6. Step 6: Final answer
    x = 16,031.72

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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.