Home / 18,982.70-26,198.89-11,029.31

Finding the Fourth Proportional to 18,982.70, 26,198.89 and 11,029.31

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Solution

The fourth proportional to 18,982.70, 26,198.89 and 11,029.31 is: 15,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.70 : 26,198.89 = 11,029.31 : x
  2. Step 2: Convert to fraction form
    18,982.70/26,198.89 = 11,029.31/x
  3. Step 3: Cross multiply
    18,982.70x = 26,198.89 × 11,029.31
  4. Step 4: Simplify right side
    18,982.70x = 288,955,828.55
  5. Step 5: Solve for x
    x = 288,955,828.55/18,982.70
  6. Step 6: Final answer
    x = 15,222.06

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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.