Home / 10,372.37-15,558.62-2,581.18

Finding the Fourth Proportional to 10,372.37, 15,558.62 and 2,581.18

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Solution

The fourth proportional to 10,372.37, 15,558.62 and 2,581.18 is: 3,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.37 : 15,558.62 = 2,581.18 : x
  2. Step 2: Convert to fraction form
    10,372.37/15,558.62 = 2,581.18/x
  3. Step 3: Cross multiply
    10,372.37x = 15,558.62 × 2,581.18
  4. Step 4: Simplify right side
    10,372.37x = 40,159,546.97
  5. Step 5: Solve for x
    x = 40,159,546.97/10,372.37
  6. Step 6: Final answer
    x = 3,871.78

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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.