Home / 12,441.82-17,162.10-11,611.44

Finding the Fourth Proportional to 12,441.82, 17,162.10 and 11,611.44

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Solution

The fourth proportional to 12,441.82, 17,162.10 and 11,611.44 is: 16,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.82 : 17,162.10 = 11,611.44 : x
  2. Step 2: Convert to fraction form
    12,441.82/17,162.10 = 11,611.44/x
  3. Step 3: Cross multiply
    12,441.82x = 17,162.10 × 11,611.44
  4. Step 4: Simplify right side
    12,441.82x = 199,276,702.95
  5. Step 5: Solve for x
    x = 199,276,702.95/12,441.82
  6. Step 6: Final answer
    x = 16,016.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.