Home / 10,372.92-15,559.40-2,581.74

Finding the Fourth Proportional to 10,372.92, 15,559.40 and 2,581.74

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Solution

The fourth proportional to 10,372.92, 15,559.40 and 2,581.74 is: 3,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.92 : 15,559.40 = 2,581.74 : x
  2. Step 2: Convert to fraction form
    10,372.92/15,559.40 = 2,581.74/x
  3. Step 3: Cross multiply
    10,372.92x = 15,559.40 × 2,581.74
  4. Step 4: Simplify right side
    10,372.92x = 40,170,312.45
  5. Step 5: Solve for x
    x = 40,170,312.45/10,372.92
  6. Step 6: Final answer
    x = 3,872.61

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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.