Home / 18,161.34-27,228.48-7,634.44

Finding the Fourth Proportional to 18,161.34, 27,228.48 and 7,634.44

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Solution

The fourth proportional to 18,161.34, 27,228.48 and 7,634.44 is: 11,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.34 : 27,228.48 = 7,634.44 : x
  2. Step 2: Convert to fraction form
    18,161.34/27,228.48 = 7,634.44/x
  3. Step 3: Cross multiply
    18,161.34x = 27,228.48 × 7,634.44
  4. Step 4: Simplify right side
    18,161.34x = 207,874,196.85
  5. Step 5: Solve for x
    x = 207,874,196.85/18,161.34
  6. Step 6: Final answer
    x = 11,445.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.