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Finding the Fourth Proportional to 13,275.52, 19,901.43 and 4,949.12

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Solution

The fourth proportional to 13,275.52, 19,901.43 and 4,949.12 is: 7,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.52 : 19,901.43 = 4,949.12 : x
  2. Step 2: Convert to fraction form
    13,275.52/19,901.43 = 4,949.12/x
  3. Step 3: Cross multiply
    13,275.52x = 19,901.43 × 4,949.12
  4. Step 4: Simplify right side
    13,275.52x = 98,494,615.00
  5. Step 5: Solve for x
    x = 98,494,615.00/13,275.52
  6. Step 6: Final answer
    x = 7,419.27

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