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Finding the Fourth Proportional to 10,654.62, 15,971.10 and 5,099.82

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Solution

The fourth proportional to 10,654.62, 15,971.10 and 5,099.82 is: 7,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.62 : 15,971.10 = 5,099.82 : x
  2. Step 2: Convert to fraction form
    10,654.62/15,971.10 = 5,099.82/x
  3. Step 3: Cross multiply
    10,654.62x = 15,971.10 × 5,099.82
  4. Step 4: Simplify right side
    10,654.62x = 81,449,735.20
  5. Step 5: Solve for x
    x = 81,449,735.20/10,654.62
  6. Step 6: Final answer
    x = 7,644.55

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