Home / 20,452.96-30,679.71-7,306.12

Finding the Fourth Proportional to 20,452.96, 30,679.71 and 7,306.12

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Solution

The fourth proportional to 20,452.96, 30,679.71 and 7,306.12 is: 10,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.96 : 30,679.71 = 7,306.12 : x
  2. Step 2: Convert to fraction form
    20,452.96/30,679.71 = 7,306.12/x
  3. Step 3: Cross multiply
    20,452.96x = 30,679.71 × 7,306.12
  4. Step 4: Simplify right side
    20,452.96x = 224,149,642.83
  5. Step 5: Solve for x
    x = 224,149,642.83/20,452.96
  6. Step 6: Final answer
    x = 10,959.28

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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.