Home / 12,942.72-19,416.96-3,708

Finding the Fourth Proportional to 12,942.72, 19,416.96 and 3,708

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Solution

The fourth proportional to 12,942.72, 19,416.96 and 3,708 is: 5,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.72 : 19,416.96 = 3,708 : x
  2. Step 2: Convert to fraction form
    12,942.72/19,416.96 = 3,708/x
  3. Step 3: Cross multiply
    12,942.72x = 19,416.96 × 3,708
  4. Step 4: Simplify right side
    12,942.72x = 71,998,087.68
  5. Step 5: Solve for x
    x = 71,998,087.68/12,942.72
  6. Step 6: Final answer
    x = 5,562.83

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