Home / 15,540.82-21,446.44-8,467.29

Finding the Fourth Proportional to 15,540.82, 21,446.44 and 8,467.29

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Solution

The fourth proportional to 15,540.82, 21,446.44 and 8,467.29 is: 11,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.82 : 21,446.44 = 8,467.29 : x
  2. Step 2: Convert to fraction form
    15,540.82/21,446.44 = 8,467.29/x
  3. Step 3: Cross multiply
    15,540.82x = 21,446.44 × 8,467.29
  4. Step 4: Simplify right side
    15,540.82x = 181,593,205.78
  5. Step 5: Solve for x
    x = 181,593,205.78/15,540.82
  6. Step 6: Final answer
    x = 11,684.92

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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.