Home / 17,121.78-25,682.67-11,486.61

Finding the Fourth Proportional to 17,121.78, 25,682.67 and 11,486.61

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Solution

The fourth proportional to 17,121.78, 25,682.67 and 11,486.61 is: 17,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.78 : 25,682.67 = 11,486.61 : x
  2. Step 2: Convert to fraction form
    17,121.78/25,682.67 = 11,486.61/x
  3. Step 3: Cross multiply
    17,121.78x = 25,682.67 × 11,486.61
  4. Step 4: Simplify right side
    17,121.78x = 295,006,814.05
  5. Step 5: Solve for x
    x = 295,006,814.05/17,121.78
  6. Step 6: Final answer
    x = 17,229.92

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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.