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Finding the Fourth Proportional to 17,273.58, 25,912.80 and 8,508.57

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Solution

The fourth proportional to 17,273.58, 25,912.80 and 8,508.57 is: 12,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.58 : 25,912.80 = 8,508.57 : x
  2. Step 2: Convert to fraction form
    17,273.58/25,912.80 = 8,508.57/x
  3. Step 3: Cross multiply
    17,273.58x = 25,912.80 × 8,508.57
  4. Step 4: Simplify right side
    17,273.58x = 220,480,872.70
  5. Step 5: Solve for x
    x = 220,480,872.70/17,273.58
  6. Step 6: Final answer
    x = 12,764.05

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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.