Home / 20,198.45-30,304.97-7,052.76

Finding the Fourth Proportional to 20,198.45, 30,304.97 and 7,052.76

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Solution

The fourth proportional to 20,198.45, 30,304.97 and 7,052.76 is: 10,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.45 : 30,304.97 = 7,052.76 : x
  2. Step 2: Convert to fraction form
    20,198.45/30,304.97 = 7,052.76/x
  3. Step 3: Cross multiply
    20,198.45x = 30,304.97 × 7,052.76
  4. Step 4: Simplify right side
    20,198.45x = 213,733,644.95
  5. Step 5: Solve for x
    x = 213,733,644.95/20,198.45
  6. Step 6: Final answer
    x = 10,581.69

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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.