Home / 20,310.13-30,463.25-6,266.38

Finding the Fourth Proportional to 20,310.13, 30,463.25 and 6,266.38

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Solution

The fourth proportional to 20,310.13, 30,463.25 and 6,266.38 is: 9,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.13 : 30,463.25 = 6,266.38 : x
  2. Step 2: Convert to fraction form
    20,310.13/30,463.25 = 6,266.38/x
  3. Step 3: Cross multiply
    20,310.13x = 30,463.25 × 6,266.38
  4. Step 4: Simplify right side
    20,310.13x = 190,894,300.54
  5. Step 5: Solve for x
    x = 190,894,300.54/20,310.13
  6. Step 6: Final answer
    x = 9,398.97

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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.