Home / 18,086.31-27,120.96-6,998.22

Finding the Fourth Proportional to 18,086.31, 27,120.96 and 6,998.22

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Solution

The fourth proportional to 18,086.31, 27,120.96 and 6,998.22 is: 10,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.31 : 27,120.96 = 6,998.22 : x
  2. Step 2: Convert to fraction form
    18,086.31/27,120.96 = 6,998.22/x
  3. Step 3: Cross multiply
    18,086.31x = 27,120.96 × 6,998.22
  4. Step 4: Simplify right side
    18,086.31x = 189,798,444.69
  5. Step 5: Solve for x
    x = 189,798,444.69/18,086.31
  6. Step 6: Final answer
    x = 10,494.04

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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.