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Finding the Fourth Proportional to 13,314.86, 19,972.28 and 4,549.85

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Solution

The fourth proportional to 13,314.86, 19,972.28 and 4,549.85 is: 6,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.86 : 19,972.28 = 4,549.85 : x
  2. Step 2: Convert to fraction form
    13,314.86/19,972.28 = 4,549.85/x
  3. Step 3: Cross multiply
    13,314.86x = 19,972.28 × 4,549.85
  4. Step 4: Simplify right side
    13,314.86x = 90,870,789.67
  5. Step 5: Solve for x
    x = 90,870,789.67/13,314.86
  6. Step 6: Final answer
    x = 6,824.77

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