Home / 9,375.20-12,936.60-5,183.52

Finding the Fourth Proportional to 9,375.20, 12,936.60 and 5,183.52

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Solution

The fourth proportional to 9,375.20, 12,936.60 and 5,183.52 is: 7,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.20 : 12,936.60 = 5,183.52 : x
  2. Step 2: Convert to fraction form
    9,375.20/12,936.60 = 5,183.52/x
  3. Step 3: Cross multiply
    9,375.20x = 12,936.60 × 5,183.52
  4. Step 4: Simplify right side
    9,375.20x = 67,057,124.83
  5. Step 5: Solve for x
    x = 67,057,124.83/9,375.20
  6. Step 6: Final answer
    x = 7,152.61

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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.