Home / 12,013.18-18,020.68-3,247.97

Finding the Fourth Proportional to 12,013.18, 18,020.68 and 3,247.97

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Solution

The fourth proportional to 12,013.18, 18,020.68 and 3,247.97 is: 4,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.18 : 18,020.68 = 3,247.97 : x
  2. Step 2: Convert to fraction form
    12,013.18/18,020.68 = 3,247.97/x
  3. Step 3: Cross multiply
    12,013.18x = 18,020.68 × 3,247.97
  4. Step 4: Simplify right side
    12,013.18x = 58,530,529.80
  5. Step 5: Solve for x
    x = 58,530,529.80/12,013.18
  6. Step 6: Final answer
    x = 4,872.19

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