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Finding the Fourth Proportional to 17,019.20, 25,520.01 and 7,651.22

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Solution

The fourth proportional to 17,019.20, 25,520.01 and 7,651.22 is: 11,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.20 : 25,520.01 = 7,651.22 : x
  2. Step 2: Convert to fraction form
    17,019.20/25,520.01 = 7,651.22/x
  3. Step 3: Cross multiply
    17,019.20x = 25,520.01 × 7,651.22
  4. Step 4: Simplify right side
    17,019.20x = 195,259,083.31
  5. Step 5: Solve for x
    x = 195,259,083.31/17,019.20
  6. Step 6: Final answer
    x = 11,472.87

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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.