Home / 9,183.30-12,672.68-5,204.78

Finding the Fourth Proportional to 9,183.30, 12,672.68 and 5,204.78

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Solution

The fourth proportional to 9,183.30, 12,672.68 and 5,204.78 is: 7,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.30 : 12,672.68 = 5,204.78 : x
  2. Step 2: Convert to fraction form
    9,183.30/12,672.68 = 5,204.78/x
  3. Step 3: Cross multiply
    9,183.30x = 12,672.68 × 5,204.78
  4. Step 4: Simplify right side
    9,183.30x = 65,958,511.41
  5. Step 5: Solve for x
    x = 65,958,511.41/9,183.30
  6. Step 6: Final answer
    x = 7,182.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.