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Finding the Fourth Proportional to 15,183.66, 22,759.92 and 5,821.14

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Solution

The fourth proportional to 15,183.66, 22,759.92 and 5,821.14 is: 8,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.66 : 22,759.92 = 5,821.14 : x
  2. Step 2: Convert to fraction form
    15,183.66/22,759.92 = 5,821.14/x
  3. Step 3: Cross multiply
    15,183.66x = 22,759.92 × 5,821.14
  4. Step 4: Simplify right side
    15,183.66x = 132,488,680.71
  5. Step 5: Solve for x
    x = 132,488,680.71/15,183.66
  6. Step 6: Final answer
    x = 8,725.74

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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.