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Finding the Fourth Proportional to 11,922.54, 16,452.90 and 6,617.58

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Solution

The fourth proportional to 11,922.54, 16,452.90 and 6,617.58 is: 9,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.54 : 16,452.90 = 6,617.58 : x
  2. Step 2: Convert to fraction form
    11,922.54/16,452.90 = 6,617.58/x
  3. Step 3: Cross multiply
    11,922.54x = 16,452.90 × 6,617.58
  4. Step 4: Simplify right side
    11,922.54x = 108,878,381.98
  5. Step 5: Solve for x
    x = 108,878,381.98/11,922.54
  6. Step 6: Final answer
    x = 9,132.15

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