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Finding the Fourth Proportional to 13,524.44, 20,268.99 and 9,788.81

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Solution

The fourth proportional to 13,524.44, 20,268.99 and 9,788.81 is: 14,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.44 : 20,268.99 = 9,788.81 : x
  2. Step 2: Convert to fraction form
    13,524.44/20,268.99 = 9,788.81/x
  3. Step 3: Cross multiply
    13,524.44x = 20,268.99 × 9,788.81
  4. Step 4: Simplify right side
    13,524.44x = 198,409,190.66
  5. Step 5: Solve for x
    x = 198,409,190.66/13,524.44
  6. Step 6: Final answer
    x = 14,670.42

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