Home / 10,819.44-16,186.47-8,194.53

Finding the Fourth Proportional to 10,819.44, 16,186.47 and 8,194.53

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Solution

The fourth proportional to 10,819.44, 16,186.47 and 8,194.53 is: 12,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.44 : 16,186.47 = 8,194.53 : x
  2. Step 2: Convert to fraction form
    10,819.44/16,186.47 = 8,194.53/x
  3. Step 3: Cross multiply
    10,819.44x = 16,186.47 × 8,194.53
  4. Step 4: Simplify right side
    10,819.44x = 132,640,514.01
  5. Step 5: Solve for x
    x = 132,640,514.01/10,819.44
  6. Step 6: Final answer
    x = 12,259.46

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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.