Home / 20,636.42-30,954.62-8,949.38

Finding the Fourth Proportional to 20,636.42, 30,954.62 and 8,949.38

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Solution

The fourth proportional to 20,636.42, 30,954.62 and 8,949.38 is: 13,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.42 : 30,954.62 = 8,949.38 : x
  2. Step 2: Convert to fraction form
    20,636.42/30,954.62 = 8,949.38/x
  3. Step 3: Cross multiply
    20,636.42x = 30,954.62 × 8,949.38
  4. Step 4: Simplify right side
    20,636.42x = 277,024,524.74
  5. Step 5: Solve for x
    x = 277,024,524.74/20,636.42
  6. Step 6: Final answer
    x = 13,424.06

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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.