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Finding the Fourth Proportional to 13,736.33, 20,590.61 and 5,413.11

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Solution

The fourth proportional to 13,736.33, 20,590.61 and 5,413.11 is: 8,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.33 : 20,590.61 = 5,413.11 : x
  2. Step 2: Convert to fraction form
    13,736.33/20,590.61 = 5,413.11/x
  3. Step 3: Cross multiply
    13,736.33x = 20,590.61 × 5,413.11
  4. Step 4: Simplify right side
    13,736.33x = 111,459,132.62
  5. Step 5: Solve for x
    x = 111,459,132.62/13,736.33
  6. Step 6: Final answer
    x = 8,114.19

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