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Finding the Fourth Proportional to 13,726.54, 18,943.56 and 8,351.06

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Solution

The fourth proportional to 13,726.54, 18,943.56 and 8,351.06 is: 11,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.54 : 18,943.56 = 8,351.06 : x
  2. Step 2: Convert to fraction form
    13,726.54/18,943.56 = 8,351.06/x
  3. Step 3: Cross multiply
    13,726.54x = 18,943.56 × 8,351.06
  4. Step 4: Simplify right side
    13,726.54x = 158,198,806.17
  5. Step 5: Solve for x
    x = 158,198,806.17/13,726.54
  6. Step 6: Final answer
    x = 11,525.03

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