Home / 18,372.80-27,537.32-12,795.95

Finding the Fourth Proportional to 18,372.80, 27,537.32 and 12,795.95

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Solution

The fourth proportional to 18,372.80, 27,537.32 and 12,795.95 is: 19,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.80 : 27,537.32 = 12,795.95 : x
  2. Step 2: Convert to fraction form
    18,372.80/27,537.32 = 12,795.95/x
  3. Step 3: Cross multiply
    18,372.80x = 27,537.32 × 12,795.95
  4. Step 4: Simplify right side
    18,372.80x = 352,366,169.85
  5. Step 5: Solve for x
    x = 352,366,169.85/18,372.80
  6. Step 6: Final answer
    x = 19,178.69

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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.