Home / 9,183.38-12,672.05-5,204.45

Finding the Fourth Proportional to 9,183.38, 12,672.05 and 5,204.45

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Solution

The fourth proportional to 9,183.38, 12,672.05 and 5,204.45 is: 7,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.38 : 12,672.05 = 5,204.45 : x
  2. Step 2: Convert to fraction form
    9,183.38/12,672.05 = 5,204.45/x
  3. Step 3: Cross multiply
    9,183.38x = 12,672.05 × 5,204.45
  4. Step 4: Simplify right side
    9,183.38x = 65,951,056.28
  5. Step 5: Solve for x
    x = 65,951,056.28/9,183.38
  6. Step 6: Final answer
    x = 7,181.57

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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.