Home / 20,206.42-30,311.16-6,167.62

Finding the Fourth Proportional to 20,206.42, 30,311.16 and 6,167.62

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Solution

The fourth proportional to 20,206.42, 30,311.16 and 6,167.62 is: 9,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.42 : 30,311.16 = 6,167.62 : x
  2. Step 2: Convert to fraction form
    20,206.42/30,311.16 = 6,167.62/x
  3. Step 3: Cross multiply
    20,206.42x = 30,311.16 × 6,167.62
  4. Step 4: Simplify right side
    20,206.42x = 186,947,716.64
  5. Step 5: Solve for x
    x = 186,947,716.64/20,206.42
  6. Step 6: Final answer
    x = 9,251.90

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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.