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Finding the Fourth Proportional to 13,862.61, 20,791.76 and 5,095.44

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Solution

The fourth proportional to 13,862.61, 20,791.76 and 5,095.44 is: 7,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.61 : 20,791.76 = 5,095.44 : x
  2. Step 2: Convert to fraction form
    13,862.61/20,791.76 = 5,095.44/x
  3. Step 3: Cross multiply
    13,862.61x = 20,791.76 × 5,095.44
  4. Step 4: Simplify right side
    13,862.61x = 105,943,140.10
  5. Step 5: Solve for x
    x = 105,943,140.10/13,862.61
  6. Step 6: Final answer
    x = 7,642.37

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