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Finding the Fourth Proportional to 13,047.76, 19,561.92 and 6,799.96

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Solution

The fourth proportional to 13,047.76, 19,561.92 and 6,799.96 is: 10,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.76 : 19,561.92 = 6,799.96 : x
  2. Step 2: Convert to fraction form
    13,047.76/19,561.92 = 6,799.96/x
  3. Step 3: Cross multiply
    13,047.76x = 19,561.92 × 6,799.96
  4. Step 4: Simplify right side
    13,047.76x = 133,020,273.52
  5. Step 5: Solve for x
    x = 133,020,273.52/13,047.76
  6. Step 6: Final answer
    x = 10,194.87

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