Home / 11,183.70-16,772.21-3,685.88

Finding the Fourth Proportional to 11,183.70, 16,772.21 and 3,685.88

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Solution

The fourth proportional to 11,183.70, 16,772.21 and 3,685.88 is: 5,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.70 : 16,772.21 = 3,685.88 : x
  2. Step 2: Convert to fraction form
    11,183.70/16,772.21 = 3,685.88/x
  3. Step 3: Cross multiply
    11,183.70x = 16,772.21 × 3,685.88
  4. Step 4: Simplify right side
    11,183.70x = 61,820,353.39
  5. Step 5: Solve for x
    x = 61,820,353.39/11,183.70
  6. Step 6: Final answer
    x = 5,527.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.