Home / 20,306.26-30,446.42-9,755.29

Finding the Fourth Proportional to 20,306.26, 30,446.42 and 9,755.29

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Solution

The fourth proportional to 20,306.26, 30,446.42 and 9,755.29 is: 14,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306.26 : 30,446.42 = 9,755.29 : x
  2. Step 2: Convert to fraction form
    20,306.26/30,446.42 = 9,755.29/x
  3. Step 3: Cross multiply
    20,306.26x = 30,446.42 × 9,755.29
  4. Step 4: Simplify right side
    20,306.26x = 297,013,515.74
  5. Step 5: Solve for x
    x = 297,013,515.74/20,306.26
  6. Step 6: Final answer
    x = 14,626.70

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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.