Home / 20,309.38-30,452.75-6,265.42

Finding the Fourth Proportional to 20,309.38, 30,452.75 and 6,265.42

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Solution

The fourth proportional to 20,309.38, 30,452.75 and 6,265.42 is: 9,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.38 : 30,452.75 = 6,265.42 : x
  2. Step 2: Convert to fraction form
    20,309.38/30,452.75 = 6,265.42/x
  3. Step 3: Cross multiply
    20,309.38x = 30,452.75 × 6,265.42
  4. Step 4: Simplify right side
    20,309.38x = 190,799,268.91
  5. Step 5: Solve for x
    x = 190,799,268.91/20,309.38
  6. Step 6: Final answer
    x = 9,394.64

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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.