Home / 20,207.42-30,311.13-6,167.52

Finding the Fourth Proportional to 20,207.42, 30,311.13 and 6,167.52

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Solution

The fourth proportional to 20,207.42, 30,311.13 and 6,167.52 is: 9,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.42 : 30,311.13 = 6,167.52 : x
  2. Step 2: Convert to fraction form
    20,207.42/30,311.13 = 6,167.52/x
  3. Step 3: Cross multiply
    20,207.42x = 30,311.13 × 6,167.52
  4. Step 4: Simplify right side
    20,207.42x = 186,944,500.50
  5. Step 5: Solve for x
    x = 186,944,500.50/20,207.42
  6. Step 6: Final answer
    x = 9,251.28

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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.