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Finding the Fourth Proportional to 10,999.62, 15,179.31 and 5,963.74

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Solution

The fourth proportional to 10,999.62, 15,179.31 and 5,963.74 is: 8,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.62 : 15,179.31 = 5,963.74 : x
  2. Step 2: Convert to fraction form
    10,999.62/15,179.31 = 5,963.74/x
  3. Step 3: Cross multiply
    10,999.62x = 15,179.31 × 5,963.74
  4. Step 4: Simplify right side
    10,999.62x = 90,525,458.22
  5. Step 5: Solve for x
    x = 90,525,458.22/10,999.62
  6. Step 6: Final answer
    x = 8,229.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.