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Finding the Fourth Proportional to 15,443.70, 23,165.55 and 5,583.30

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Solution

The fourth proportional to 15,443.70, 23,165.55 and 5,583.30 is: 8,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.70 : 23,165.55 = 5,583.30 : x
  2. Step 2: Convert to fraction form
    15,443.70/23,165.55 = 5,583.30/x
  3. Step 3: Cross multiply
    15,443.70x = 23,165.55 × 5,583.30
  4. Step 4: Simplify right side
    15,443.70x = 129,340,215.32
  5. Step 5: Solve for x
    x = 129,340,215.32/15,443.70
  6. Step 6: Final answer
    x = 8,374.95

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