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Finding the Fourth Proportional to 16,996.05, 25,497.72 and 7,129.64

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Solution

The fourth proportional to 16,996.05, 25,497.72 and 7,129.64 is: 10,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.05 : 25,497.72 = 7,129.64 : x
  2. Step 2: Convert to fraction form
    16,996.05/25,497.72 = 7,129.64/x
  3. Step 3: Cross multiply
    16,996.05x = 25,497.72 × 7,129.64
  4. Step 4: Simplify right side
    16,996.05x = 181,789,401.28
  5. Step 5: Solve for x
    x = 181,789,401.28/16,996.05
  6. Step 6: Final answer
    x = 10,695.98

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