Home / 20,310.38-30,454.25-6,266.42

Finding the Fourth Proportional to 20,310.38, 30,454.25 and 6,266.42

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Solution

The fourth proportional to 20,310.38, 30,454.25 and 6,266.42 is: 9,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.38 : 30,454.25 = 6,266.42 : x
  2. Step 2: Convert to fraction form
    20,310.38/30,454.25 = 6,266.42/x
  3. Step 3: Cross multiply
    20,310.38x = 30,454.25 × 6,266.42
  4. Step 4: Simplify right side
    20,310.38x = 190,839,121.29
  5. Step 5: Solve for x
    x = 190,839,121.29/20,310.38
  6. Step 6: Final answer
    x = 9,396.14

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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.