Home / 10,286.82-14,195.82-5,571.09

Finding the Fourth Proportional to 10,286.82, 14,195.82 and 5,571.09

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Solution

The fourth proportional to 10,286.82, 14,195.82 and 5,571.09 is: 7,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.82 : 14,195.82 = 5,571.09 : x
  2. Step 2: Convert to fraction form
    10,286.82/14,195.82 = 5,571.09/x
  3. Step 3: Cross multiply
    10,286.82x = 14,195.82 × 5,571.09
  4. Step 4: Simplify right side
    10,286.82x = 79,086,190.84
  5. Step 5: Solve for x
    x = 79,086,190.84/10,286.82
  6. Step 6: Final answer
    x = 7,688.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.