Home / 11,731.13-17,599.38-3,939.94

Finding the Fourth Proportional to 11,731.13, 17,599.38 and 3,939.94

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Solution

The fourth proportional to 11,731.13, 17,599.38 and 3,939.94 is: 5,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.13 : 17,599.38 = 3,939.94 : x
  2. Step 2: Convert to fraction form
    11,731.13/17,599.38 = 3,939.94/x
  3. Step 3: Cross multiply
    11,731.13x = 17,599.38 × 3,939.94
  4. Step 4: Simplify right side
    11,731.13x = 69,340,508.46
  5. Step 5: Solve for x
    x = 69,340,508.46/11,731.13
  6. Step 6: Final answer
    x = 5,910.81

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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.