Home / 13,831.97-20,747.91-3,443.72

Finding the Fourth Proportional to 13,831.97, 20,747.91 and 3,443.72

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Solution

The fourth proportional to 13,831.97, 20,747.91 and 3,443.72 is: 5,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.97 : 20,747.91 = 3,443.72 : x
  2. Step 2: Convert to fraction form
    13,831.97/20,747.91 = 3,443.72/x
  3. Step 3: Cross multiply
    13,831.97x = 20,747.91 × 3,443.72
  4. Step 4: Simplify right side
    13,831.97x = 71,449,888.89
  5. Step 5: Solve for x
    x = 71,449,888.89/13,831.97
  6. Step 6: Final answer
    x = 5,165.56

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