Home / 10,205.17-15,306.67-3,279.13

Finding the Fourth Proportional to 10,205.17, 15,306.67 and 3,279.13

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Solution

The fourth proportional to 10,205.17, 15,306.67 and 3,279.13 is: 4,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.17 : 15,306.67 = 3,279.13 : x
  2. Step 2: Convert to fraction form
    10,205.17/15,306.67 = 3,279.13/x
  3. Step 3: Cross multiply
    10,205.17x = 15,306.67 × 3,279.13
  4. Step 4: Simplify right side
    10,205.17x = 50,192,560.80
  5. Step 5: Solve for x
    x = 50,192,560.80/10,205.17
  6. Step 6: Final answer
    x = 4,918.35

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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.