Home / 11,415.66-17,121.33-3,624.54

Finding the Fourth Proportional to 11,415.66, 17,121.33 and 3,624.54

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Solution

The fourth proportional to 11,415.66, 17,121.33 and 3,624.54 is: 5,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.66 : 17,121.33 = 3,624.54 : x
  2. Step 2: Convert to fraction form
    11,415.66/17,121.33 = 3,624.54/x
  3. Step 3: Cross multiply
    11,415.66x = 17,121.33 × 3,624.54
  4. Step 4: Simplify right side
    11,415.66x = 62,056,945.44
  5. Step 5: Solve for x
    x = 62,056,945.44/11,415.66
  6. Step 6: Final answer
    x = 5,436.12

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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.