Home / 10,371.89-15,556.13-4,449.73

Finding the Fourth Proportional to 10,371.89, 15,556.13 and 4,449.73

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Solution

The fourth proportional to 10,371.89, 15,556.13 and 4,449.73 is: 6,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.89 : 15,556.13 = 4,449.73 : x
  2. Step 2: Convert to fraction form
    10,371.89/15,556.13 = 4,449.73/x
  3. Step 3: Cross multiply
    10,371.89x = 15,556.13 × 4,449.73
  4. Step 4: Simplify right side
    10,371.89x = 69,220,594.99
  5. Step 5: Solve for x
    x = 69,220,594.99/10,371.89
  6. Step 6: Final answer
    x = 6,673.87

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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.