Home / 20,116.75-30,179.99-6,265.75

Finding the Fourth Proportional to 20,116.75, 30,179.99 and 6,265.75

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Solution

The fourth proportional to 20,116.75, 30,179.99 and 6,265.75 is: 9,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.75 : 30,179.99 = 6,265.75 : x
  2. Step 2: Convert to fraction form
    20,116.75/30,179.99 = 6,265.75/x
  3. Step 3: Cross multiply
    20,116.75x = 30,179.99 × 6,265.75
  4. Step 4: Simplify right side
    20,116.75x = 189,100,272.34
  5. Step 5: Solve for x
    x = 189,100,272.34/20,116.75
  6. Step 6: Final answer
    x = 9,400.14

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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.