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Finding the Fourth Proportional to 10,229.55, 15,356.61 and 6,932.64

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Solution

The fourth proportional to 10,229.55, 15,356.61 and 6,932.64 is: 10,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.55 : 15,356.61 = 6,932.64 : x
  2. Step 2: Convert to fraction form
    10,229.55/15,356.61 = 6,932.64/x
  3. Step 3: Cross multiply
    10,229.55x = 15,356.61 × 6,932.64
  4. Step 4: Simplify right side
    10,229.55x = 106,461,848.75
  5. Step 5: Solve for x
    x = 106,461,848.75/10,229.55
  6. Step 6: Final answer
    x = 10,407.29

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