Home / 11,906.66-16,432.18-6,603.19

Finding the Fourth Proportional to 11,906.66, 16,432.18 and 6,603.19

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Solution

The fourth proportional to 11,906.66, 16,432.18 and 6,603.19 is: 9,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.66 : 16,432.18 = 6,603.19 : x
  2. Step 2: Convert to fraction form
    11,906.66/16,432.18 = 6,603.19/x
  3. Step 3: Cross multiply
    11,906.66x = 16,432.18 × 6,603.19
  4. Step 4: Simplify right side
    11,906.66x = 108,504,749.07
  5. Step 5: Solve for x
    x = 108,504,749.07/11,906.66
  6. Step 6: Final answer
    x = 9,112.94

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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.