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Finding the Fourth Proportional to 12,113.80, 18,175.86 and 4,723.46

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Solution

The fourth proportional to 12,113.80, 18,175.86 and 4,723.46 is: 7,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.80 : 18,175.86 = 4,723.46 : x
  2. Step 2: Convert to fraction form
    12,113.80/18,175.86 = 4,723.46/x
  3. Step 3: Cross multiply
    12,113.80x = 18,175.86 × 4,723.46
  4. Step 4: Simplify right side
    12,113.80x = 85,852,856.80
  5. Step 5: Solve for x
    x = 85,852,856.80/12,113.80
  6. Step 6: Final answer
    x = 7,087.20

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