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Finding the Fourth Proportional to 11,972.00, 16,520.96 and 6,666.71

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Solution

The fourth proportional to 11,972.00, 16,520.96 and 6,666.71 is: 9,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.00 : 16,520.96 = 6,666.71 : x
  2. Step 2: Convert to fraction form
    11,972.00/16,520.96 = 6,666.71/x
  3. Step 3: Cross multiply
    11,972.00x = 16,520.96 × 6,666.71
  4. Step 4: Simplify right side
    11,972.00x = 110,140,383.30
  5. Step 5: Solve for x
    x = 110,140,383.30/11,972.00
  6. Step 6: Final answer
    x = 9,199.83

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