Home / 10,514.20-15,771.10-2,722.84

Finding the Fourth Proportional to 10,514.20, 15,771.10 and 2,722.84

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Solution

The fourth proportional to 10,514.20, 15,771.10 and 2,722.84 is: 4,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.20 : 15,771.10 = 2,722.84 : x
  2. Step 2: Convert to fraction form
    10,514.20/15,771.10 = 2,722.84/x
  3. Step 3: Cross multiply
    10,514.20x = 15,771.10 × 2,722.84
  4. Step 4: Simplify right side
    10,514.20x = 42,942,181.92
  5. Step 5: Solve for x
    x = 42,942,181.92/10,514.20
  6. Step 6: Final answer
    x = 4,084.21

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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.