Home / 11,638.92-16,062.07-6,603.35

Finding the Fourth Proportional to 11,638.92, 16,062.07 and 6,603.35

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Solution

The fourth proportional to 11,638.92, 16,062.07 and 6,603.35 is: 9,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.92 : 16,062.07 = 6,603.35 : x
  2. Step 2: Convert to fraction form
    11,638.92/16,062.07 = 6,603.35/x
  3. Step 3: Cross multiply
    11,638.92x = 16,062.07 × 6,603.35
  4. Step 4: Simplify right side
    11,638.92x = 106,063,469.93
  5. Step 5: Solve for x
    x = 106,063,469.93/11,638.92
  6. Step 6: Final answer
    x = 9,112.83

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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.