Home / 20,103.62-30,148.18-6,773.75

Finding the Fourth Proportional to 20,103.62, 30,148.18 and 6,773.75

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Solution

The fourth proportional to 20,103.62, 30,148.18 and 6,773.75 is: 10,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.62 : 30,148.18 = 6,773.75 : x
  2. Step 2: Convert to fraction form
    20,103.62/30,148.18 = 6,773.75/x
  3. Step 3: Cross multiply
    20,103.62x = 30,148.18 × 6,773.75
  4. Step 4: Simplify right side
    20,103.62x = 204,216,179.66
  5. Step 5: Solve for x
    x = 204,216,179.66/20,103.62
  6. Step 6: Final answer
    x = 10,158.18

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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.