Home / 18,091.40-27,141.75-6,995.21

Finding the Fourth Proportional to 18,091.40, 27,141.75 and 6,995.21

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Solution

The fourth proportional to 18,091.40, 27,141.75 and 6,995.21 is: 10,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.40 : 27,141.75 = 6,995.21 : x
  2. Step 2: Convert to fraction form
    18,091.40/27,141.75 = 6,995.21/x
  3. Step 3: Cross multiply
    18,091.40x = 27,141.75 × 6,995.21
  4. Step 4: Simplify right side
    18,091.40x = 189,862,105.31
  5. Step 5: Solve for x
    x = 189,862,105.31/18,091.40
  6. Step 6: Final answer
    x = 10,494.61

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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.