Home / 18,582.98-27,849.11-7,900.43

Finding the Fourth Proportional to 18,582.98, 27,849.11 and 7,900.43

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Solution

The fourth proportional to 18,582.98, 27,849.11 and 7,900.43 is: 11,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.98 : 27,849.11 = 7,900.43 : x
  2. Step 2: Convert to fraction form
    18,582.98/27,849.11 = 7,900.43/x
  3. Step 3: Cross multiply
    18,582.98x = 27,849.11 × 7,900.43
  4. Step 4: Simplify right side
    18,582.98x = 220,019,765.37
  5. Step 5: Solve for x
    x = 220,019,765.37/18,582.98
  6. Step 6: Final answer
    x = 11,839.86

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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.