Home / 21,910.26-32,845.66-7,866.98

Finding the Fourth Proportional to 21,910.26, 32,845.66 and 7,866.98

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Solution

The fourth proportional to 21,910.26, 32,845.66 and 7,866.98 is: 11,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910.26 : 32,845.66 = 7,866.98 : x
  2. Step 2: Convert to fraction form
    21,910.26/32,845.66 = 7,866.98/x
  3. Step 3: Cross multiply
    21,910.26x = 32,845.66 × 7,866.98
  4. Step 4: Simplify right side
    21,910.26x = 258,396,150.31
  5. Step 5: Solve for x
    x = 258,396,150.31/21,910.26
  6. Step 6: Final answer
    x = 11,793.39

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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.