Home / 19,382.94-29,067.36-8,290.44

Finding the Fourth Proportional to 19,382.94, 29,067.36 and 8,290.44

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Solution

The fourth proportional to 19,382.94, 29,067.36 and 8,290.44 is: 12,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.94 : 29,067.36 = 8,290.44 : x
  2. Step 2: Convert to fraction form
    19,382.94/29,067.36 = 8,290.44/x
  3. Step 3: Cross multiply
    19,382.94x = 29,067.36 × 8,290.44
  4. Step 4: Simplify right side
    19,382.94x = 240,981,204.04
  5. Step 5: Solve for x
    x = 240,981,204.04/19,382.94
  6. Step 6: Final answer
    x = 12,432.64

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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.