Home / 10,581-15,867.66-3,183.28

Finding the Fourth Proportional to 10,581, 15,867.66 and 3,183.28

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Solution

The fourth proportional to 10,581, 15,867.66 and 3,183.28 is: 4,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581 : 15,867.66 = 3,183.28 : x
  2. Step 2: Convert to fraction form
    10,581/15,867.66 = 3,183.28/x
  3. Step 3: Cross multiply
    10,581x = 15,867.66 × 3,183.28
  4. Step 4: Simplify right side
    10,581x = 50,511,204.72
  5. Step 5: Solve for x
    x = 50,511,204.72/10,581
  6. Step 6: Final answer
    x = 4,773.76

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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.