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Finding the Fourth Proportional to 13,482.73, 20,214.52 and 5,155.73

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Solution

The fourth proportional to 13,482.73, 20,214.52 and 5,155.73 is: 7,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.73 : 20,214.52 = 5,155.73 : x
  2. Step 2: Convert to fraction form
    13,482.73/20,214.52 = 5,155.73/x
  3. Step 3: Cross multiply
    13,482.73x = 20,214.52 × 5,155.73
  4. Step 4: Simplify right side
    13,482.73x = 104,220,607.20
  5. Step 5: Solve for x
    x = 104,220,607.20/13,482.73
  6. Step 6: Final answer
    x = 7,729.93

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