Home / 9,223.68-12,728.16-5,245.76

Finding the Fourth Proportional to 9,223.68, 12,728.16 and 5,245.76

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Solution

The fourth proportional to 9,223.68, 12,728.16 and 5,245.76 is: 7,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.68 : 12,728.16 = 5,245.76 : x
  2. Step 2: Convert to fraction form
    9,223.68/12,728.16 = 5,245.76/x
  3. Step 3: Cross multiply
    9,223.68x = 12,728.16 × 5,245.76
  4. Step 4: Simplify right side
    9,223.68x = 66,768,872.60
  5. Step 5: Solve for x
    x = 66,768,872.60/9,223.68
  6. Step 6: Final answer
    x = 7,238.85

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Similar ratio
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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.