Home / 20,169.15-30,258.39-6,841.43

Finding the Fourth Proportional to 20,169.15, 30,258.39 and 6,841.43

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Solution

The fourth proportional to 20,169.15, 30,258.39 and 6,841.43 is: 10,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.15 : 30,258.39 = 6,841.43 : x
  2. Step 2: Convert to fraction form
    20,169.15/30,258.39 = 6,841.43/x
  3. Step 3: Cross multiply
    20,169.15x = 30,258.39 × 6,841.43
  4. Step 4: Simplify right side
    20,169.15x = 207,010,657.10
  5. Step 5: Solve for x
    x = 207,010,657.10/20,169.15
  6. Step 6: Final answer
    x = 10,263.73

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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.