Home / 20,609.06-30,892.82-8,124.26

Finding the Fourth Proportional to 20,609.06, 30,892.82 and 8,124.26

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Solution

The fourth proportional to 20,609.06, 30,892.82 and 8,124.26 is: 12,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609.06 : 30,892.82 = 8,124.26 : x
  2. Step 2: Convert to fraction form
    20,609.06/30,892.82 = 8,124.26/x
  3. Step 3: Cross multiply
    20,609.06x = 30,892.82 × 8,124.26
  4. Step 4: Simplify right side
    20,609.06x = 250,981,167.66
  5. Step 5: Solve for x
    x = 250,981,167.66/20,609.06
  6. Step 6: Final answer
    x = 12,178.19

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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.