Home / 12,747.70-19,105.26-10,283.68

Finding the Fourth Proportional to 12,747.70, 19,105.26 and 10,283.68

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Solution

The fourth proportional to 12,747.70, 19,105.26 and 10,283.68 is: 15,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.70 : 19,105.26 = 10,283.68 : x
  2. Step 2: Convert to fraction form
    12,747.70/19,105.26 = 10,283.68/x
  3. Step 3: Cross multiply
    12,747.70x = 19,105.26 × 10,283.68
  4. Step 4: Simplify right side
    12,747.70x = 196,472,380.16
  5. Step 5: Solve for x
    x = 196,472,380.16/12,747.70
  6. Step 6: Final answer
    x = 15,412.38

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