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Finding the Fourth Proportional to 12,175.92, 16,796.16 and 7,983.36

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Solution

The fourth proportional to 12,175.92, 16,796.16 and 7,983.36 is: 11,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.92 : 16,796.16 = 7,983.36 : x
  2. Step 2: Convert to fraction form
    12,175.92/16,796.16 = 7,983.36/x
  3. Step 3: Cross multiply
    12,175.92x = 16,796.16 × 7,983.36
  4. Step 4: Simplify right side
    12,175.92x = 134,089,791.90
  5. Step 5: Solve for x
    x = 134,089,791.90/12,175.92
  6. Step 6: Final answer
    x = 11,012.70

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