Home / 19,684.07-27,163.09-11,185.98

Finding the Fourth Proportional to 19,684.07, 27,163.09 and 11,185.98

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Solution

The fourth proportional to 19,684.07, 27,163.09 and 11,185.98 is: 15,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.07 : 27,163.09 = 11,185.98 : x
  2. Step 2: Convert to fraction form
    19,684.07/27,163.09 = 11,185.98/x
  3. Step 3: Cross multiply
    19,684.07x = 27,163.09 × 11,185.98
  4. Step 4: Simplify right side
    19,684.07x = 303,845,781.48
  5. Step 5: Solve for x
    x = 303,845,781.48/19,684.07
  6. Step 6: Final answer
    x = 15,436.13

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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.