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Finding the Fourth Proportional to 16,921.92, 25,392.48 and 9,130.56

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Solution

The fourth proportional to 16,921.92, 25,392.48 and 9,130.56 is: 13,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.92 : 25,392.48 = 9,130.56 : x
  2. Step 2: Convert to fraction form
    16,921.92/25,392.48 = 9,130.56/x
  3. Step 3: Cross multiply
    16,921.92x = 25,392.48 × 9,130.56
  4. Step 4: Simplify right side
    16,921.92x = 231,847,562.19
  5. Step 5: Solve for x
    x = 231,847,562.19/16,921.92
  6. Step 6: Final answer
    x = 13,701.02

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