Home / 15,945.15-23,891.79-9,377.31

Finding the Fourth Proportional to 15,945.15, 23,891.79 and 9,377.31

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Solution

The fourth proportional to 15,945.15, 23,891.79 and 9,377.31 is: 14,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.15 : 23,891.79 = 9,377.31 : x
  2. Step 2: Convert to fraction form
    15,945.15/23,891.79 = 9,377.31/x
  3. Step 3: Cross multiply
    15,945.15x = 23,891.79 × 9,377.31
  4. Step 4: Simplify right side
    15,945.15x = 224,040,721.28
  5. Step 5: Solve for x
    x = 224,040,721.28/15,945.15
  6. Step 6: Final answer
    x = 14,050.71

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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.