Home / 20,197.98-30,297.33-7,723.80

Finding the Fourth Proportional to 20,197.98, 30,297.33 and 7,723.80

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Solution

The fourth proportional to 20,197.98, 30,297.33 and 7,723.80 is: 11,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.98 : 30,297.33 = 7,723.80 : x
  2. Step 2: Convert to fraction form
    20,197.98/30,297.33 = 7,723.80/x
  3. Step 3: Cross multiply
    20,197.98x = 30,297.33 × 7,723.80
  4. Step 4: Simplify right side
    20,197.98x = 234,010,517.45
  5. Step 5: Solve for x
    x = 234,010,517.45/20,197.98
  6. Step 6: Final answer
    x = 11,585.84

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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.