Home / 17,239.20-25,878.24-11,407.20

Finding the Fourth Proportional to 17,239.20, 25,878.24 and 11,407.20

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Solution

The fourth proportional to 17,239.20, 25,878.24 and 11,407.20 is: 17,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.20 : 25,878.24 = 11,407.20 : x
  2. Step 2: Convert to fraction form
    17,239.20/25,878.24 = 11,407.20/x
  3. Step 3: Cross multiply
    17,239.20x = 25,878.24 × 11,407.20
  4. Step 4: Simplify right side
    17,239.20x = 295,198,259.33
  5. Step 5: Solve for x
    x = 295,198,259.33/17,239.20
  6. Step 6: Final answer
    x = 17,123.66

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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.