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Finding the Fourth Proportional to 13,371.93, 18,453.53 and 7,403.43

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Solution

The fourth proportional to 13,371.93, 18,453.53 and 7,403.43 is: 10,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.93 : 18,453.53 = 7,403.43 : x
  2. Step 2: Convert to fraction form
    13,371.93/18,453.53 = 7,403.43/x
  3. Step 3: Cross multiply
    13,371.93x = 18,453.53 × 7,403.43
  4. Step 4: Simplify right side
    13,371.93x = 136,619,380.59
  5. Step 5: Solve for x
    x = 136,619,380.59/13,371.93
  6. Step 6: Final answer
    x = 10,216.88

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