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Finding the Fourth Proportional to 12,245.22, 16,898.76 and 6,939.87

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Solution

The fourth proportional to 12,245.22, 16,898.76 and 6,939.87 is: 9,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.22 : 16,898.76 = 6,939.87 : x
  2. Step 2: Convert to fraction form
    12,245.22/16,898.76 = 6,939.87/x
  3. Step 3: Cross multiply
    12,245.22x = 16,898.76 × 6,939.87
  4. Step 4: Simplify right side
    12,245.22x = 117,275,197.56
  5. Step 5: Solve for x
    x = 117,275,197.56/12,245.22
  6. Step 6: Final answer
    x = 9,577.22

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