Home / 20,229.08-30,348.66-6,378.08

Finding the Fourth Proportional to 20,229.08, 30,348.66 and 6,378.08

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Solution

The fourth proportional to 20,229.08, 30,348.66 and 6,378.08 is: 9,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.08 : 30,348.66 = 6,378.08 : x
  2. Step 2: Convert to fraction form
    20,229.08/30,348.66 = 6,378.08/x
  3. Step 3: Cross multiply
    20,229.08x = 30,348.66 × 6,378.08
  4. Step 4: Simplify right side
    20,229.08x = 193,566,181.37
  5. Step 5: Solve for x
    x = 193,566,181.37/20,229.08
  6. Step 6: Final answer
    x = 9,568.71

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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.