Home / 13,286.91-19,928.67-3,926.73

Finding the Fourth Proportional to 13,286.91, 19,928.67 and 3,926.73

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Solution

The fourth proportional to 13,286.91, 19,928.67 and 3,926.73 is: 5,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.91 : 19,928.67 = 3,926.73 : x
  2. Step 2: Convert to fraction form
    13,286.91/19,928.67 = 3,926.73/x
  3. Step 3: Cross multiply
    13,286.91x = 19,928.67 × 3,926.73
  4. Step 4: Simplify right side
    13,286.91x = 78,254,506.35
  5. Step 5: Solve for x
    x = 78,254,506.35/13,286.91
  6. Step 6: Final answer
    x = 5,889.59

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