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Finding the Fourth Proportional to 10,873.92, 15,005.96 and 5,905.92

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Solution

The fourth proportional to 10,873.92, 15,005.96 and 5,905.92 is: 8,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.92 : 15,005.96 = 5,905.92 : x
  2. Step 2: Convert to fraction form
    10,873.92/15,005.96 = 5,905.92/x
  3. Step 3: Cross multiply
    10,873.92x = 15,005.96 × 5,905.92
  4. Step 4: Simplify right side
    10,873.92x = 88,623,999.28
  5. Step 5: Solve for x
    x = 88,623,999.28/10,873.92
  6. Step 6: Final answer
    x = 8,150.14

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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.