Home / 14,414.32-21,611.88-5,179.12

Finding the Fourth Proportional to 14,414.32, 21,611.88 and 5,179.12

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Solution

The fourth proportional to 14,414.32, 21,611.88 and 5,179.12 is: 7,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.32 : 21,611.88 = 5,179.12 : x
  2. Step 2: Convert to fraction form
    14,414.32/21,611.88 = 5,179.12/x
  3. Step 3: Cross multiply
    14,414.32x = 21,611.88 × 5,179.12
  4. Step 4: Simplify right side
    14,414.32x = 111,930,519.95
  5. Step 5: Solve for x
    x = 111,930,519.95/14,414.32
  6. Step 6: Final answer
    x = 7,765.23

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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.