Home / 11,890.33-17,835.53-3,571.22

Finding the Fourth Proportional to 11,890.33, 17,835.53 and 3,571.22

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Solution

The fourth proportional to 11,890.33, 17,835.53 and 3,571.22 is: 5,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.33 : 17,835.53 = 3,571.22 : x
  2. Step 2: Convert to fraction form
    11,890.33/17,835.53 = 3,571.22/x
  3. Step 3: Cross multiply
    11,890.33x = 17,835.53 × 3,571.22
  4. Step 4: Simplify right side
    11,890.33x = 63,694,628.18
  5. Step 5: Solve for x
    x = 63,694,628.18/11,890.33
  6. Step 6: Final answer
    x = 5,356.84

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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.