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Finding the Fourth Proportional to 12,250.50, 16,905.96 and 6,661.50

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Solution

The fourth proportional to 12,250.50, 16,905.96 and 6,661.50 is: 9,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.50 : 16,905.96 = 6,661.50 : x
  2. Step 2: Convert to fraction form
    12,250.50/16,905.96 = 6,661.50/x
  3. Step 3: Cross multiply
    12,250.50x = 16,905.96 × 6,661.50
  4. Step 4: Simplify right side
    12,250.50x = 112,619,052.54
  5. Step 5: Solve for x
    x = 112,619,052.54/12,250.50
  6. Step 6: Final answer
    x = 9,193.02

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