Home / 10,119.29-15,183.30-5,433.82

Finding the Fourth Proportional to 10,119.29, 15,183.30 and 5,433.82

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Solution

The fourth proportional to 10,119.29, 15,183.30 and 5,433.82 is: 8,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.29 : 15,183.30 = 5,433.82 : x
  2. Step 2: Convert to fraction form
    10,119.29/15,183.30 = 5,433.82/x
  3. Step 3: Cross multiply
    10,119.29x = 15,183.30 × 5,433.82
  4. Step 4: Simplify right side
    10,119.29x = 82,503,292.04
  5. Step 5: Solve for x
    x = 82,503,292.04/10,119.29
  6. Step 6: Final answer
    x = 8,153.07

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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.