Home / 20,217.06-30,306.15-10,360.98

Finding the Fourth Proportional to 20,217.06, 30,306.15 and 10,360.98

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Solution

The fourth proportional to 20,217.06, 30,306.15 and 10,360.98 is: 15,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.06 : 30,306.15 = 10,360.98 : x
  2. Step 2: Convert to fraction form
    20,217.06/30,306.15 = 10,360.98/x
  3. Step 3: Cross multiply
    20,217.06x = 30,306.15 × 10,360.98
  4. Step 4: Simplify right side
    20,217.06x = 314,001,414.03
  5. Step 5: Solve for x
    x = 314,001,414.03/20,217.06
  6. Step 6: Final answer
    x = 15,531.51

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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.