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Finding the Fourth Proportional to 10,996.88, 15,175.71 and 6,281.15

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Solution

The fourth proportional to 10,996.88, 15,175.71 and 6,281.15 is: 8,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.88 : 15,175.71 = 6,281.15 : x
  2. Step 2: Convert to fraction form
    10,996.88/15,175.71 = 6,281.15/x
  3. Step 3: Cross multiply
    10,996.88x = 15,175.71 × 6,281.15
  4. Step 4: Simplify right side
    10,996.88x = 95,320,834.99
  5. Step 5: Solve for x
    x = 95,320,834.99/10,996.88
  6. Step 6: Final answer
    x = 8,667.99

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