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Finding the Fourth Proportional to 12,125.44, 16,733.28 and 7,157.44

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Solution

The fourth proportional to 12,125.44, 16,733.28 and 7,157.44 is: 9,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.44 : 16,733.28 = 7,157.44 : x
  2. Step 2: Convert to fraction form
    12,125.44/16,733.28 = 7,157.44/x
  3. Step 3: Cross multiply
    12,125.44x = 16,733.28 × 7,157.44
  4. Step 4: Simplify right side
    12,125.44x = 119,767,447.60
  5. Step 5: Solve for x
    x = 119,767,447.60/12,125.44
  6. Step 6: Final answer
    x = 9,877.37

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