Home / 18,145.54-27,221.82-6,299.74

Finding the Fourth Proportional to 18,145.54, 27,221.82 and 6,299.74

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Solution

The fourth proportional to 18,145.54, 27,221.82 and 6,299.74 is: 9,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.54 : 27,221.82 = 6,299.74 : x
  2. Step 2: Convert to fraction form
    18,145.54/27,221.82 = 6,299.74/x
  3. Step 3: Cross multiply
    18,145.54x = 27,221.82 × 6,299.74
  4. Step 4: Simplify right side
    18,145.54x = 171,490,388.33
  5. Step 5: Solve for x
    x = 171,490,388.33/18,145.54
  6. Step 6: Final answer
    x = 9,450.83

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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.