Home / 11,855.33-16,360.68-6,550.49

Finding the Fourth Proportional to 11,855.33, 16,360.68 and 6,550.49

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Solution

The fourth proportional to 11,855.33, 16,360.68 and 6,550.49 is: 9,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.33 : 16,360.68 = 6,550.49 : x
  2. Step 2: Convert to fraction form
    11,855.33/16,360.68 = 6,550.49/x
  3. Step 3: Cross multiply
    11,855.33x = 16,360.68 × 6,550.49
  4. Step 4: Simplify right side
    11,855.33x = 107,170,444.17
  5. Step 5: Solve for x
    x = 107,170,444.17/11,855.33
  6. Step 6: Final answer
    x = 9,039.85

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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.