Home / 19,716.06-27,208.20-11,217.96

Finding the Fourth Proportional to 19,716.06, 27,208.20 and 11,217.96

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Solution

The fourth proportional to 19,716.06, 27,208.20 and 11,217.96 is: 15,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.06 : 27,208.20 = 11,217.96 : x
  2. Step 2: Convert to fraction form
    19,716.06/27,208.20 = 11,217.96/x
  3. Step 3: Cross multiply
    19,716.06x = 27,208.20 × 11,217.96
  4. Step 4: Simplify right side
    19,716.06x = 305,220,499.27
  5. Step 5: Solve for x
    x = 305,220,499.27/19,716.06
  6. Step 6: Final answer
    x = 15,480.81

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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.