Home / 11,822.05-17,738.46-4,427.09

Finding the Fourth Proportional to 11,822.05, 17,738.46 and 4,427.09

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Solution

The fourth proportional to 11,822.05, 17,738.46 and 4,427.09 is: 6,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.05 : 17,738.46 = 4,427.09 : x
  2. Step 2: Convert to fraction form
    11,822.05/17,738.46 = 4,427.09/x
  3. Step 3: Cross multiply
    11,822.05x = 17,738.46 × 4,427.09
  4. Step 4: Simplify right side
    11,822.05x = 78,529,758.88
  5. Step 5: Solve for x
    x = 78,529,758.88/11,822.05
  6. Step 6: Final answer
    x = 6,642.65

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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.