Home / 9,154.59-13,731.90-2,229.09

Finding the Fourth Proportional to 9,154.59, 13,731.90 and 2,229.09

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Solution

The fourth proportional to 9,154.59, 13,731.90 and 2,229.09 is: 3,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.59 : 13,731.90 = 2,229.09 : x
  2. Step 2: Convert to fraction form
    9,154.59/13,731.90 = 2,229.09/x
  3. Step 3: Cross multiply
    9,154.59x = 13,731.90 × 2,229.09
  4. Step 4: Simplify right side
    9,154.59x = 30,609,640.97
  5. Step 5: Solve for x
    x = 30,609,640.97/9,154.59
  6. Step 6: Final answer
    x = 3,343.64

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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.