Home / 11,906.67-16,432.19-6,603.20

Finding the Fourth Proportional to 11,906.67, 16,432.19 and 6,603.20

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Solution

The fourth proportional to 11,906.67, 16,432.19 and 6,603.20 is: 9,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.67 : 16,432.19 = 6,603.20 : x
  2. Step 2: Convert to fraction form
    11,906.67/16,432.19 = 6,603.20/x
  3. Step 3: Cross multiply
    11,906.67x = 16,432.19 × 6,603.20
  4. Step 4: Simplify right side
    11,906.67x = 108,504,921.83
  5. Step 5: Solve for x
    x = 108,504,921.83/11,906.67
  6. Step 6: Final answer
    x = 9,112.95

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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.