Home / 18,083.58-27,121.73-4,934.85

Finding the Fourth Proportional to 18,083.58, 27,121.73 and 4,934.85

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Solution

The fourth proportional to 18,083.58, 27,121.73 and 4,934.85 is: 7,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.58 : 27,121.73 = 4,934.85 : x
  2. Step 2: Convert to fraction form
    18,083.58/27,121.73 = 4,934.85/x
  3. Step 3: Cross multiply
    18,083.58x = 27,121.73 × 4,934.85
  4. Step 4: Simplify right side
    18,083.58x = 133,841,644.62
  5. Step 5: Solve for x
    x = 133,841,644.62/18,083.58
  6. Step 6: Final answer
    x = 7,401.28

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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.