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Finding the Fourth Proportional to 16,791.64, 25,164.78 and 6,397.72

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Solution

The fourth proportional to 16,791.64, 25,164.78 and 6,397.72 is: 9,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.64 : 25,164.78 = 6,397.72 : x
  2. Step 2: Convert to fraction form
    16,791.64/25,164.78 = 6,397.72/x
  3. Step 3: Cross multiply
    16,791.64x = 25,164.78 × 6,397.72
  4. Step 4: Simplify right side
    16,791.64x = 160,997,216.30
  5. Step 5: Solve for x
    x = 160,997,216.30/16,791.64
  6. Step 6: Final answer
    x = 9,587.94

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