Home / 20,080.92-30,148.98-10,226.84

Finding the Fourth Proportional to 20,080.92, 30,148.98 and 10,226.84

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Solution

The fourth proportional to 20,080.92, 30,148.98 and 10,226.84 is: 15,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.92 : 30,148.98 = 10,226.84 : x
  2. Step 2: Convert to fraction form
    20,080.92/30,148.98 = 10,226.84/x
  3. Step 3: Cross multiply
    20,080.92x = 30,148.98 × 10,226.84
  4. Step 4: Simplify right side
    20,080.92x = 308,328,794.62
  5. Step 5: Solve for x
    x = 308,328,794.62/20,080.92
  6. Step 6: Final answer
    x = 15,354.32

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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.