Home / 10,183.72-15,280.44-3,613

Finding the Fourth Proportional to 10,183.72, 15,280.44 and 3,613

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Solution

The fourth proportional to 10,183.72, 15,280.44 and 3,613 is: 5,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.72 : 15,280.44 = 3,613 : x
  2. Step 2: Convert to fraction form
    10,183.72/15,280.44 = 3,613/x
  3. Step 3: Cross multiply
    10,183.72x = 15,280.44 × 3,613
  4. Step 4: Simplify right side
    10,183.72x = 55,208,229.72
  5. Step 5: Solve for x
    x = 55,208,229.72/10,183.72
  6. Step 6: Final answer
    x = 5,421.22

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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.