Home / 18,338.35-27,520.93-8,354.37

Finding the Fourth Proportional to 18,338.35, 27,520.93 and 8,354.37

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Solution

The fourth proportional to 18,338.35, 27,520.93 and 8,354.37 is: 12,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.35 : 27,520.93 = 8,354.37 : x
  2. Step 2: Convert to fraction form
    18,338.35/27,520.93 = 8,354.37/x
  3. Step 3: Cross multiply
    18,338.35x = 27,520.93 × 8,354.37
  4. Step 4: Simplify right side
    18,338.35x = 229,919,926.17
  5. Step 5: Solve for x
    x = 229,919,926.17/18,338.35
  6. Step 6: Final answer
    x = 12,537.66

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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.