Home / 11,429.44-17,144.88-3,638.56

Finding the Fourth Proportional to 11,429.44, 17,144.88 and 3,638.56

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Solution

The fourth proportional to 11,429.44, 17,144.88 and 3,638.56 is: 5,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.44 : 17,144.88 = 3,638.56 : x
  2. Step 2: Convert to fraction form
    11,429.44/17,144.88 = 3,638.56/x
  3. Step 3: Cross multiply
    11,429.44x = 17,144.88 × 3,638.56
  4. Step 4: Simplify right side
    11,429.44x = 62,382,674.57
  5. Step 5: Solve for x
    x = 62,382,674.57/11,429.44
  6. Step 6: Final answer
    x = 5,458.07

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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.