Home / 22,542.09-31,110.03-13,110

Finding the Fourth Proportional to 22,542.09, 31,110.03 and 13,110

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Solution

The fourth proportional to 22,542.09, 31,110.03 and 13,110 is: 18,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.09 : 31,110.03 = 13,110 : x
  2. Step 2: Convert to fraction form
    22,542.09/31,110.03 = 13,110/x
  3. Step 3: Cross multiply
    22,542.09x = 31,110.03 × 13,110
  4. Step 4: Simplify right side
    22,542.09x = 407,852,493.30
  5. Step 5: Solve for x
    x = 407,852,493.30/22,542.09
  6. Step 6: Final answer
    x = 18,092.93

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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.