Home / 13,398.23-20,100.22-4,514.44

Finding the Fourth Proportional to 13,398.23, 20,100.22 and 4,514.44

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Solution

The fourth proportional to 13,398.23, 20,100.22 and 4,514.44 is: 6,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.23 : 20,100.22 = 4,514.44 : x
  2. Step 2: Convert to fraction form
    13,398.23/20,100.22 = 4,514.44/x
  3. Step 3: Cross multiply
    13,398.23x = 20,100.22 × 4,514.44
  4. Step 4: Simplify right side
    13,398.23x = 90,741,175.64
  5. Step 5: Solve for x
    x = 90,741,175.64/13,398.23
  6. Step 6: Final answer
    x = 6,772.63

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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.