Home / 20,304.85-30,456.19-6,452.77

Finding the Fourth Proportional to 20,304.85, 30,456.19 and 6,452.77

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Solution

The fourth proportional to 20,304.85, 30,456.19 and 6,452.77 is: 9,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.85 : 30,456.19 = 6,452.77 : x
  2. Step 2: Convert to fraction form
    20,304.85/30,456.19 = 6,452.77/x
  3. Step 3: Cross multiply
    20,304.85x = 30,456.19 × 6,452.77
  4. Step 4: Simplify right side
    20,304.85x = 196,526,789.15
  5. Step 5: Solve for x
    x = 196,526,789.15/20,304.85
  6. Step 6: Final answer
    x = 9,678.81

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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.