Home / 11,684.82-16,126.21-6,906.34

Finding the Fourth Proportional to 11,684.82, 16,126.21 and 6,906.34

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Solution

The fourth proportional to 11,684.82, 16,126.21 and 6,906.34 is: 9,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.82 : 16,126.21 = 6,906.34 : x
  2. Step 2: Convert to fraction form
    11,684.82/16,126.21 = 6,906.34/x
  3. Step 3: Cross multiply
    11,684.82x = 16,126.21 × 6,906.34
  4. Step 4: Simplify right side
    11,684.82x = 111,373,117.96
  5. Step 5: Solve for x
    x = 111,373,117.96/11,684.82
  6. Step 6: Final answer
    x = 9,531.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.