Home / 17,155.40-25,694.22-13,434.44

Finding the Fourth Proportional to 17,155.40, 25,694.22 and 13,434.44

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Solution

The fourth proportional to 17,155.40, 25,694.22 and 13,434.44 is: 20,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.40 : 25,694.22 = 13,434.44 : x
  2. Step 2: Convert to fraction form
    17,155.40/25,694.22 = 13,434.44/x
  3. Step 3: Cross multiply
    17,155.40x = 25,694.22 × 13,434.44
  4. Step 4: Simplify right side
    17,155.40x = 345,187,456.94
  5. Step 5: Solve for x
    x = 345,187,456.94/17,155.40
  6. Step 6: Final answer
    x = 20,121.21

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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.