Home / 20,229.42-30,344.13-6,379.50

Finding the Fourth Proportional to 20,229.42, 30,344.13 and 6,379.50

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Solution

The fourth proportional to 20,229.42, 30,344.13 and 6,379.50 is: 9,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.42 : 30,344.13 = 6,379.50 : x
  2. Step 2: Convert to fraction form
    20,229.42/30,344.13 = 6,379.50/x
  3. Step 3: Cross multiply
    20,229.42x = 30,344.13 × 6,379.50
  4. Step 4: Simplify right side
    20,229.42x = 193,580,377.34
  5. Step 5: Solve for x
    x = 193,580,377.34/20,229.42
  6. Step 6: Final answer
    x = 9,569.25

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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.