Home / 20,636.27-30,958.85-6,404.46

Finding the Fourth Proportional to 20,636.27, 30,958.85 and 6,404.46

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Solution

The fourth proportional to 20,636.27, 30,958.85 and 6,404.46 is: 9,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.27 : 30,958.85 = 6,404.46 : x
  2. Step 2: Convert to fraction form
    20,636.27/30,958.85 = 6,404.46/x
  3. Step 3: Cross multiply
    20,636.27x = 30,958.85 × 6,404.46
  4. Step 4: Simplify right side
    20,636.27x = 198,274,561.68
  5. Step 5: Solve for x
    x = 198,274,561.68/20,636.27
  6. Step 6: Final answer
    x = 9,608.06

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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.