Home / 12,429.03-18,637.97-3,660.87

Finding the Fourth Proportional to 12,429.03, 18,637.97 and 3,660.87

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Solution

The fourth proportional to 12,429.03, 18,637.97 and 3,660.87 is: 5,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.03 : 18,637.97 = 3,660.87 : x
  2. Step 2: Convert to fraction form
    12,429.03/18,637.97 = 3,660.87/x
  3. Step 3: Cross multiply
    12,429.03x = 18,637.97 × 3,660.87
  4. Step 4: Simplify right side
    12,429.03x = 68,231,166.93
  5. Step 5: Solve for x
    x = 68,231,166.93/12,429.03
  6. Step 6: Final answer
    x = 5,489.66

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