Home / 20,198.67-30,304.18-10,344.92

Finding the Fourth Proportional to 20,198.67, 30,304.18 and 10,344.92

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Solution

The fourth proportional to 20,198.67, 30,304.18 and 10,344.92 is: 15,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.67 : 30,304.18 = 10,344.92 : x
  2. Step 2: Convert to fraction form
    20,198.67/30,304.18 = 10,344.92/x
  3. Step 3: Cross multiply
    20,198.67x = 30,304.18 × 10,344.92
  4. Step 4: Simplify right side
    20,198.67x = 313,494,317.77
  5. Step 5: Solve for x
    x = 313,494,317.77/20,198.67
  6. Step 6: Final answer
    x = 15,520.54

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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.