Home / 10,371.13-15,556.69-2,579.94

Finding the Fourth Proportional to 10,371.13, 15,556.69 and 2,579.94

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Solution

The fourth proportional to 10,371.13, 15,556.69 and 2,579.94 is: 3,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.13 : 15,556.69 = 2,579.94 : x
  2. Step 2: Convert to fraction form
    10,371.13/15,556.69 = 2,579.94/x
  3. Step 3: Cross multiply
    10,371.13x = 15,556.69 × 2,579.94
  4. Step 4: Simplify right side
    10,371.13x = 40,135,326.80
  5. Step 5: Solve for x
    x = 40,135,326.80/10,371.13
  6. Step 6: Final answer
    x = 3,869.91

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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.