Home / 11,519.56-17,274.84-4,121.80

Finding the Fourth Proportional to 11,519.56, 17,274.84 and 4,121.80

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Solution

The fourth proportional to 11,519.56, 17,274.84 and 4,121.80 is: 6,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.56 : 17,274.84 = 4,121.80 : x
  2. Step 2: Convert to fraction form
    11,519.56/17,274.84 = 4,121.80/x
  3. Step 3: Cross multiply
    11,519.56x = 17,274.84 × 4,121.80
  4. Step 4: Simplify right side
    11,519.56x = 71,203,435.51
  5. Step 5: Solve for x
    x = 71,203,435.51/11,519.56
  6. Step 6: Final answer
    x = 6,181.09

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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.