Home / 11,438.92-17,190.62-6,761.13

Finding the Fourth Proportional to 11,438.92, 17,190.62 and 6,761.13

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Solution

The fourth proportional to 11,438.92, 17,190.62 and 6,761.13 is: 10,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.92 : 17,190.62 = 6,761.13 : x
  2. Step 2: Convert to fraction form
    11,438.92/17,190.62 = 6,761.13/x
  3. Step 3: Cross multiply
    11,438.92x = 17,190.62 × 6,761.13
  4. Step 4: Simplify right side
    11,438.92x = 116,228,055.05
  5. Step 5: Solve for x
    x = 116,228,055.05/11,438.92
  6. Step 6: Final answer
    x = 10,160.75

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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.