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Finding the Fourth Proportional to 19,913.91, 27,470.91 and 13,932.46

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Solution

The fourth proportional to 19,913.91, 27,470.91 and 13,932.46 is: 19,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.91 : 27,470.91 = 13,932.46 : x
  2. Step 2: Convert to fraction form
    19,913.91/27,470.91 = 13,932.46/x
  3. Step 3: Cross multiply
    19,913.91x = 27,470.91 × 13,932.46
  4. Step 4: Simplify right side
    19,913.91x = 382,737,354.74
  5. Step 5: Solve for x
    x = 382,737,354.74/19,913.91
  6. Step 6: Final answer
    x = 19,219.60

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