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Finding the Fourth Proportional to 9,956.91, 13,738.33 and 5,762.73

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Solution

The fourth proportional to 9,956.91, 13,738.33 and 5,762.73 is: 7,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.91 : 13,738.33 = 5,762.73 : x
  2. Step 2: Convert to fraction form
    9,956.91/13,738.33 = 5,762.73/x
  3. Step 3: Cross multiply
    9,956.91x = 13,738.33 × 5,762.73
  4. Step 4: Simplify right side
    9,956.91x = 79,170,286.44
  5. Step 5: Solve for x
    x = 79,170,286.44/9,956.91
  6. Step 6: Final answer
    x = 7,951.29

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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.