Home / 11,728.78-17,593.29-2,963.71

Finding the Fourth Proportional to 11,728.78, 17,593.29 and 2,963.71

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Solution

The fourth proportional to 11,728.78, 17,593.29 and 2,963.71 is: 4,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.78 : 17,593.29 = 2,963.71 : x
  2. Step 2: Convert to fraction form
    11,728.78/17,593.29 = 2,963.71/x
  3. Step 3: Cross multiply
    11,728.78x = 17,593.29 × 2,963.71
  4. Step 4: Simplify right side
    11,728.78x = 52,141,321.54
  5. Step 5: Solve for x
    x = 52,141,321.54/11,728.78
  6. Step 6: Final answer
    x = 4,445.59

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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.