Home / 11,611.44-17,418.68-4,214.82

Finding the Fourth Proportional to 11,611.44, 17,418.68 and 4,214.82

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Solution

The fourth proportional to 11,611.44, 17,418.68 and 4,214.82 is: 6,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.44 : 17,418.68 = 4,214.82 : x
  2. Step 2: Convert to fraction form
    11,611.44/17,418.68 = 4,214.82/x
  3. Step 3: Cross multiply
    11,611.44x = 17,418.68 × 4,214.82
  4. Step 4: Simplify right side
    11,611.44x = 73,416,579.76
  5. Step 5: Solve for x
    x = 73,416,579.76/11,611.44
  6. Step 6: Final answer
    x = 6,322.78

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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.