Home / 11,571.05-17,356.41-2,805.91

Finding the Fourth Proportional to 11,571.05, 17,356.41 and 2,805.91

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Solution

The fourth proportional to 11,571.05, 17,356.41 and 2,805.91 is: 4,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.05 : 17,356.41 = 2,805.91 : x
  2. Step 2: Convert to fraction form
    11,571.05/17,356.41 = 2,805.91/x
  3. Step 3: Cross multiply
    11,571.05x = 17,356.41 × 2,805.91
  4. Step 4: Simplify right side
    11,571.05x = 48,700,480.99
  5. Step 5: Solve for x
    x = 48,700,480.99/11,571.05
  6. Step 6: Final answer
    x = 4,208.82

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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.