Home / 10,372.67-15,558.98-2,581.49

Finding the Fourth Proportional to 10,372.67, 15,558.98 and 2,581.49

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Solution

The fourth proportional to 10,372.67, 15,558.98 and 2,581.49 is: 3,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.67 : 15,558.98 = 2,581.49 : x
  2. Step 2: Convert to fraction form
    10,372.67/15,558.98 = 2,581.49/x
  3. Step 3: Cross multiply
    10,372.67x = 15,558.98 × 2,581.49
  4. Step 4: Simplify right side
    10,372.67x = 40,165,279.94
  5. Step 5: Solve for x
    x = 40,165,279.94/10,372.67
  6. Step 6: Final answer
    x = 3,872.22

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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.