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Finding the Fourth Proportional to 18,983.25, 28,474.92 and 5,132.25

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Solution

The fourth proportional to 18,983.25, 28,474.92 and 5,132.25 is: 7,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.25 : 28,474.92 = 5,132.25 : x
  2. Step 2: Convert to fraction form
    18,983.25/28,474.92 = 5,132.25/x
  3. Step 3: Cross multiply
    18,983.25x = 28,474.92 × 5,132.25
  4. Step 4: Simplify right side
    18,983.25x = 146,140,408.17
  5. Step 5: Solve for x
    x = 146,140,408.17/18,983.25
  6. Step 6: Final answer
    x = 7,698.39

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