Home / 18,371.80-27,535.82-12,794.95

Finding the Fourth Proportional to 18,371.80, 27,535.82 and 12,794.95

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Solution

The fourth proportional to 18,371.80, 27,535.82 and 12,794.95 is: 19,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.80 : 27,535.82 = 12,794.95 : x
  2. Step 2: Convert to fraction form
    18,371.80/27,535.82 = 12,794.95/x
  3. Step 3: Cross multiply
    18,371.80x = 27,535.82 × 12,794.95
  4. Step 4: Simplify right side
    18,371.80x = 352,319,440.11
  5. Step 5: Solve for x
    x = 352,319,440.11/18,371.80
  6. Step 6: Final answer
    x = 19,177.19

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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.