Home / 11,731.54-17,600.91-3,939.70

Finding the Fourth Proportional to 11,731.54, 17,600.91 and 3,939.70

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Solution

The fourth proportional to 11,731.54, 17,600.91 and 3,939.70 is: 5,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.54 : 17,600.91 = 3,939.70 : x
  2. Step 2: Convert to fraction form
    11,731.54/17,600.91 = 3,939.70/x
  3. Step 3: Cross multiply
    11,731.54x = 17,600.91 × 3,939.70
  4. Step 4: Simplify right side
    11,731.54x = 69,342,305.13
  5. Step 5: Solve for x
    x = 69,342,305.13/11,731.54
  6. Step 6: Final answer
    x = 5,910.76

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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.