Home / 11,531.17-17,299.19-3,739.38

Finding the Fourth Proportional to 11,531.17, 17,299.19 and 3,739.38

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Solution

The fourth proportional to 11,531.17, 17,299.19 and 3,739.38 is: 5,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.17 : 17,299.19 = 3,739.38 : x
  2. Step 2: Convert to fraction form
    11,531.17/17,299.19 = 3,739.38/x
  3. Step 3: Cross multiply
    11,531.17x = 17,299.19 × 3,739.38
  4. Step 4: Simplify right side
    11,531.17x = 64,688,139.91
  5. Step 5: Solve for x
    x = 64,688,139.91/11,531.17
  6. Step 6: Final answer
    x = 5,609.85

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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.