Home / 11,378.44-17,067.12-3,984.55

Finding the Fourth Proportional to 11,378.44, 17,067.12 and 3,984.55

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Solution

The fourth proportional to 11,378.44, 17,067.12 and 3,984.55 is: 5,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.44 : 17,067.12 = 3,984.55 : x
  2. Step 2: Convert to fraction form
    11,378.44/17,067.12 = 3,984.55/x
  3. Step 3: Cross multiply
    11,378.44x = 17,067.12 × 3,984.55
  4. Step 4: Simplify right side
    11,378.44x = 68,004,853.80
  5. Step 5: Solve for x
    x = 68,004,853.80/11,378.44
  6. Step 6: Final answer
    x = 5,976.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.