Home / 10,371.03-15,556.60-2,579.84

Finding the Fourth Proportional to 10,371.03, 15,556.60 and 2,579.84

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Solution

The fourth proportional to 10,371.03, 15,556.60 and 2,579.84 is: 3,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.03 : 15,556.60 = 2,579.84 : x
  2. Step 2: Convert to fraction form
    10,371.03/15,556.60 = 2,579.84/x
  3. Step 3: Cross multiply
    10,371.03x = 15,556.60 × 2,579.84
  4. Step 4: Simplify right side
    10,371.03x = 40,133,513.05
  5. Step 5: Solve for x
    x = 40,133,513.05/10,371.03
  6. Step 6: Final answer
    x = 3,869.77

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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.