Home / 10,183.91-15,278.26-3,163.57

Finding the Fourth Proportional to 10,183.91, 15,278.26 and 3,163.57

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Solution

The fourth proportional to 10,183.91, 15,278.26 and 3,163.57 is: 4,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.91 : 15,278.26 = 3,163.57 : x
  2. Step 2: Convert to fraction form
    10,183.91/15,278.26 = 3,163.57/x
  3. Step 3: Cross multiply
    10,183.91x = 15,278.26 × 3,163.57
  4. Step 4: Simplify right side
    10,183.91x = 48,333,844.99
  5. Step 5: Solve for x
    x = 48,333,844.99/10,183.91
  6. Step 6: Final answer
    x = 4,746.10

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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.