Home / 18,091.94-27,141.81-5,611.71

Finding the Fourth Proportional to 18,091.94, 27,141.81 and 5,611.71

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Solution

The fourth proportional to 18,091.94, 27,141.81 and 5,611.71 is: 8,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.94 : 27,141.81 = 5,611.71 : x
  2. Step 2: Convert to fraction form
    18,091.94/27,141.81 = 5,611.71/x
  3. Step 3: Cross multiply
    18,091.94x = 27,141.81 × 5,611.71
  4. Step 4: Simplify right side
    18,091.94x = 152,311,966.60
  5. Step 5: Solve for x
    x = 152,311,966.60/18,091.94
  6. Step 6: Final answer
    x = 8,418.78

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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.