Home / 20,292.96-30,445.06-8,452.30

Finding the Fourth Proportional to 20,292.96, 30,445.06 and 8,452.30

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Solution

The fourth proportional to 20,292.96, 30,445.06 and 8,452.30 is: 12,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.96 : 30,445.06 = 8,452.30 : x
  2. Step 2: Convert to fraction form
    20,292.96/30,445.06 = 8,452.30/x
  3. Step 3: Cross multiply
    20,292.96x = 30,445.06 × 8,452.30
  4. Step 4: Simplify right side
    20,292.96x = 257,330,780.64
  5. Step 5: Solve for x
    x = 257,330,780.64/20,292.96
  6. Step 6: Final answer
    x = 12,680.79

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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.