Home / 18,981.14-26,197.17-11,027.97

Finding the Fourth Proportional to 18,981.14, 26,197.17 and 11,027.97

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Solution

The fourth proportional to 18,981.14, 26,197.17 and 11,027.97 is: 15,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.14 : 26,197.17 = 11,027.97 : x
  2. Step 2: Convert to fraction form
    18,981.14/26,197.17 = 11,027.97/x
  3. Step 3: Cross multiply
    18,981.14x = 26,197.17 × 11,027.97
  4. Step 4: Simplify right side
    18,981.14x = 288,901,604.84
  5. Step 5: Solve for x
    x = 288,901,604.84/18,981.14
  6. Step 6: Final answer
    x = 15,220.46

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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.