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Finding the Fourth Proportional to 13,496.62, 18,626.74 and 7,829.68

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Solution

The fourth proportional to 13,496.62, 18,626.74 and 7,829.68 is: 10,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.62 : 18,626.74 = 7,829.68 : x
  2. Step 2: Convert to fraction form
    13,496.62/18,626.74 = 7,829.68/x
  3. Step 3: Cross multiply
    13,496.62x = 18,626.74 × 7,829.68
  4. Step 4: Simplify right side
    13,496.62x = 145,841,413.64
  5. Step 5: Solve for x
    x = 145,841,413.64/13,496.62
  6. Step 6: Final answer
    x = 10,805.77

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