Home / 9,229.81-12,736.70-5,250.55

Finding the Fourth Proportional to 9,229.81, 12,736.70 and 5,250.55

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Solution

The fourth proportional to 9,229.81, 12,736.70 and 5,250.55 is: 7,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.81 : 12,736.70 = 5,250.55 : x
  2. Step 2: Convert to fraction form
    9,229.81/12,736.70 = 5,250.55/x
  3. Step 3: Cross multiply
    9,229.81x = 12,736.70 × 5,250.55
  4. Step 4: Simplify right side
    9,229.81x = 66,874,653.93
  5. Step 5: Solve for x
    x = 66,874,653.93/9,229.81
  6. Step 6: Final answer
    x = 7,245.51

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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.