Home / 10,245.69-15,371.01-3,581.19

Finding the Fourth Proportional to 10,245.69, 15,371.01 and 3,581.19

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Solution

The fourth proportional to 10,245.69, 15,371.01 and 3,581.19 is: 5,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.69 : 15,371.01 = 3,581.19 : x
  2. Step 2: Convert to fraction form
    10,245.69/15,371.01 = 3,581.19/x
  3. Step 3: Cross multiply
    10,245.69x = 15,371.01 × 3,581.19
  4. Step 4: Simplify right side
    10,245.69x = 55,046,507.30
  5. Step 5: Solve for x
    x = 55,046,507.30/10,245.69
  6. Step 6: Final answer
    x = 5,372.65

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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.