Home / 10,874.04-16,311.78-3,949.08

Finding the Fourth Proportional to 10,874.04, 16,311.78 and 3,949.08

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Solution

The fourth proportional to 10,874.04, 16,311.78 and 3,949.08 is: 5,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.04 : 16,311.78 = 3,949.08 : x
  2. Step 2: Convert to fraction form
    10,874.04/16,311.78 = 3,949.08/x
  3. Step 3: Cross multiply
    10,874.04x = 16,311.78 × 3,949.08
  4. Step 4: Simplify right side
    10,874.04x = 64,416,524.16
  5. Step 5: Solve for x
    x = 64,416,524.16/10,874.04
  6. Step 6: Final answer
    x = 5,923.88

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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.