Home / 11,611.26-17,418.98-4,226.09

Finding the Fourth Proportional to 11,611.26, 17,418.98 and 4,226.09

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Solution

The fourth proportional to 11,611.26, 17,418.98 and 4,226.09 is: 6,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.26 : 17,418.98 = 4,226.09 : x
  2. Step 2: Convert to fraction form
    11,611.26/17,418.98 = 4,226.09/x
  3. Step 3: Cross multiply
    11,611.26x = 17,418.98 × 4,226.09
  4. Step 4: Simplify right side
    11,611.26x = 73,614,100.66
  5. Step 5: Solve for x
    x = 73,614,100.66/11,611.26
  6. Step 6: Final answer
    x = 6,339.89

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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.