Home / 18,450.92-27,659.94-6,761.40

Finding the Fourth Proportional to 18,450.92, 27,659.94 and 6,761.40

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Solution

The fourth proportional to 18,450.92, 27,659.94 and 6,761.40 is: 10,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.92 : 27,659.94 = 6,761.40 : x
  2. Step 2: Convert to fraction form
    18,450.92/27,659.94 = 6,761.40/x
  3. Step 3: Cross multiply
    18,450.92x = 27,659.94 × 6,761.40
  4. Step 4: Simplify right side
    18,450.92x = 187,019,918.32
  5. Step 5: Solve for x
    x = 187,019,918.32/18,450.92
  6. Step 6: Final answer
    x = 10,136.08

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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.