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Finding the Fourth Proportional to 13,951.80, 20,927.70 and 11,837.70

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Solution

The fourth proportional to 13,951.80, 20,927.70 and 11,837.70 is: 17,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.80 : 20,927.70 = 11,837.70 : x
  2. Step 2: Convert to fraction form
    13,951.80/20,927.70 = 11,837.70/x
  3. Step 3: Cross multiply
    13,951.80x = 20,927.70 × 11,837.70
  4. Step 4: Simplify right side
    13,951.80x = 247,735,834.29
  5. Step 5: Solve for x
    x = 247,735,834.29/13,951.80
  6. Step 6: Final answer
    x = 17,756.55

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