Home / 17,419.62-26,121.42-5,571.09

Finding the Fourth Proportional to 17,419.62, 26,121.42 and 5,571.09

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Solution

The fourth proportional to 17,419.62, 26,121.42 and 5,571.09 is: 8,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.62 : 26,121.42 = 5,571.09 : x
  2. Step 2: Convert to fraction form
    17,419.62/26,121.42 = 5,571.09/x
  3. Step 3: Cross multiply
    17,419.62x = 26,121.42 × 5,571.09
  4. Step 4: Simplify right side
    17,419.62x = 145,524,781.75
  5. Step 5: Solve for x
    x = 145,524,781.75/17,419.62
  6. Step 6: Final answer
    x = 8,354.07

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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.