Home / 11,645.75-16,072.35-6,611.33

Finding the Fourth Proportional to 11,645.75, 16,072.35 and 6,611.33

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Solution

The fourth proportional to 11,645.75, 16,072.35 and 6,611.33 is: 9,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.75 : 16,072.35 = 6,611.33 : x
  2. Step 2: Convert to fraction form
    11,645.75/16,072.35 = 6,611.33/x
  3. Step 3: Cross multiply
    11,645.75x = 16,072.35 × 6,611.33
  4. Step 4: Simplify right side
    11,645.75x = 106,259,609.73
  5. Step 5: Solve for x
    x = 106,259,609.73/11,645.75
  6. Step 6: Final answer
    x = 9,124.33

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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.