Home / 18,311.82-27,467.53-13,896.61

Finding the Fourth Proportional to 18,311.82, 27,467.53 and 13,896.61

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Solution

The fourth proportional to 18,311.82, 27,467.53 and 13,896.61 is: 20,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.82 : 27,467.53 = 13,896.61 : x
  2. Step 2: Convert to fraction form
    18,311.82/27,467.53 = 13,896.61/x
  3. Step 3: Cross multiply
    18,311.82x = 27,467.53 × 13,896.61
  4. Step 4: Simplify right side
    18,311.82x = 381,705,482.59
  5. Step 5: Solve for x
    x = 381,705,482.59/18,311.82
  6. Step 6: Final answer
    x = 20,844.76

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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.