Home / 20,343.20-30,519.16-6,302.92

Finding the Fourth Proportional to 20,343.20, 30,519.16 and 6,302.92

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Solution

The fourth proportional to 20,343.20, 30,519.16 and 6,302.92 is: 9,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.20 : 30,519.16 = 6,302.92 : x
  2. Step 2: Convert to fraction form
    20,343.20/30,519.16 = 6,302.92/x
  3. Step 3: Cross multiply
    20,343.20x = 30,519.16 × 6,302.92
  4. Step 4: Simplify right side
    20,343.20x = 192,359,716.23
  5. Step 5: Solve for x
    x = 192,359,716.23/20,343.20
  6. Step 6: Final answer
    x = 9,455.73

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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.