Home / 10,449.05-15,674.94-5,518.88

Finding the Fourth Proportional to 10,449.05, 15,674.94 and 5,518.88

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Solution

The fourth proportional to 10,449.05, 15,674.94 and 5,518.88 is: 8,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.05 : 15,674.94 = 5,518.88 : x
  2. Step 2: Convert to fraction form
    10,449.05/15,674.94 = 5,518.88/x
  3. Step 3: Cross multiply
    10,449.05x = 15,674.94 × 5,518.88
  4. Step 4: Simplify right side
    10,449.05x = 86,508,034.49
  5. Step 5: Solve for x
    x = 86,508,034.49/10,449.05
  6. Step 6: Final answer
    x = 8,279.04

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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.