Home / 20,191.62-30,292.29-8,508.18

Finding the Fourth Proportional to 20,191.62, 30,292.29 and 8,508.18

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Solution

The fourth proportional to 20,191.62, 30,292.29 and 8,508.18 is: 12,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.62 : 30,292.29 = 8,508.18 : x
  2. Step 2: Convert to fraction form
    20,191.62/30,292.29 = 8,508.18/x
  3. Step 3: Cross multiply
    20,191.62x = 30,292.29 × 8,508.18
  4. Step 4: Simplify right side
    20,191.62x = 257,732,255.93
  5. Step 5: Solve for x
    x = 257,732,255.93/20,191.62
  6. Step 6: Final answer
    x = 12,764.32

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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.