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Finding the Fourth Proportional to 13,741.92, 18,963.81 and 7,454.25

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Solution

The fourth proportional to 13,741.92, 18,963.81 and 7,454.25 is: 10,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.92 : 18,963.81 = 7,454.25 : x
  2. Step 2: Convert to fraction form
    13,741.92/18,963.81 = 7,454.25/x
  3. Step 3: Cross multiply
    13,741.92x = 18,963.81 × 7,454.25
  4. Step 4: Simplify right side
    13,741.92x = 141,360,980.69
  5. Step 5: Solve for x
    x = 141,360,980.69/13,741.92
  6. Step 6: Final answer
    x = 10,286.84

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