Home / 19,490.97-29,229.20-7,007.59

Finding the Fourth Proportional to 19,490.97, 29,229.20 and 7,007.59

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Solution

The fourth proportional to 19,490.97, 29,229.20 and 7,007.59 is: 10,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.97 : 29,229.20 = 7,007.59 : x
  2. Step 2: Convert to fraction form
    19,490.97/29,229.20 = 7,007.59/x
  3. Step 3: Cross multiply
    19,490.97x = 29,229.20 × 7,007.59
  4. Step 4: Simplify right side
    19,490.97x = 204,826,249.63
  5. Step 5: Solve for x
    x = 204,826,249.63/19,490.97
  6. Step 6: Final answer
    x = 10,508.78

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1.5x scale

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.