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Finding the Fourth Proportional to 16,871.70, 25,268.16 and 13,337.96

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Solution

The fourth proportional to 16,871.70, 25,268.16 and 13,337.96 is: 19,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.70 : 25,268.16 = 13,337.96 : x
  2. Step 2: Convert to fraction form
    16,871.70/25,268.16 = 13,337.96/x
  3. Step 3: Cross multiply
    16,871.70x = 25,268.16 × 13,337.96
  4. Step 4: Simplify right side
    16,871.70x = 337,025,707.35
  5. Step 5: Solve for x
    x = 337,025,707.35/16,871.70
  6. Step 6: Final answer
    x = 19,975.80

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