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Finding the Fourth Proportional to 16,500.81, 22,771.23 and 8,947.26

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Solution

The fourth proportional to 16,500.81, 22,771.23 and 8,947.26 is: 12,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,500.81 : 22,771.23 = 8,947.26 : x
  2. Step 2: Convert to fraction form
    16,500.81/22,771.23 = 8,947.26/x
  3. Step 3: Cross multiply
    16,500.81x = 22,771.23 × 8,947.26
  4. Step 4: Simplify right side
    16,500.81x = 203,740,081.78
  5. Step 5: Solve for x
    x = 203,740,081.78/16,500.81
  6. Step 6: Final answer
    x = 12,347.27

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