Home / 20,514.11-30,771.18-6,475.23

Finding the Fourth Proportional to 20,514.11, 30,771.18 and 6,475.23

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Solution

The fourth proportional to 20,514.11, 30,771.18 and 6,475.23 is: 9,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.11 : 30,771.18 = 6,475.23 : x
  2. Step 2: Convert to fraction form
    20,514.11/30,771.18 = 6,475.23/x
  3. Step 3: Cross multiply
    20,514.11x = 30,771.18 × 6,475.23
  4. Step 4: Simplify right side
    20,514.11x = 199,250,589.73
  5. Step 5: Solve for x
    x = 199,250,589.73/20,514.11
  6. Step 6: Final answer
    x = 9,712.85

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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.