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Finding the Fourth Proportional to 12,483.24, 18,724.88 and 3,718.24

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Solution

The fourth proportional to 12,483.24, 18,724.88 and 3,718.24 is: 5,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.24 : 18,724.88 = 3,718.24 : x
  2. Step 2: Convert to fraction form
    12,483.24/18,724.88 = 3,718.24/x
  3. Step 3: Cross multiply
    12,483.24x = 18,724.88 × 3,718.24
  4. Step 4: Simplify right side
    12,483.24x = 69,623,597.81
  5. Step 5: Solve for x
    x = 69,623,597.81/12,483.24
  6. Step 6: Final answer
    x = 5,577.37

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