Home / 10,118.99-15,183.18-3,876.92

Finding the Fourth Proportional to 10,118.99, 15,183.18 and 3,876.92

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Solution

The fourth proportional to 10,118.99, 15,183.18 and 3,876.92 is: 5,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.99 : 15,183.18 = 3,876.92 : x
  2. Step 2: Convert to fraction form
    10,118.99/15,183.18 = 3,876.92/x
  3. Step 3: Cross multiply
    10,118.99x = 15,183.18 × 3,876.92
  4. Step 4: Simplify right side
    10,118.99x = 58,863,974.21
  5. Step 5: Solve for x
    x = 58,863,974.21/10,118.99
  6. Step 6: Final answer
    x = 5,817.18

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1.5x scale

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.