Home / 10,449.73-15,675.97-5,519.57

Finding the Fourth Proportional to 10,449.73, 15,675.97 and 5,519.57

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Solution

The fourth proportional to 10,449.73, 15,675.97 and 5,519.57 is: 8,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.73 : 15,675.97 = 5,519.57 : x
  2. Step 2: Convert to fraction form
    10,449.73/15,675.97 = 5,519.57/x
  3. Step 3: Cross multiply
    10,449.73x = 15,675.97 × 5,519.57
  4. Step 4: Simplify right side
    10,449.73x = 86,524,613.73
  5. Step 5: Solve for x
    x = 86,524,613.73/10,449.73
  6. Step 6: Final answer
    x = 8,280.08

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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.