Home / 11,855.54-16,360.43-6,550.71

Finding the Fourth Proportional to 11,855.54, 16,360.43 and 6,550.71

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Solution

The fourth proportional to 11,855.54, 16,360.43 and 6,550.71 is: 9,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.54 : 16,360.43 = 6,550.71 : x
  2. Step 2: Convert to fraction form
    11,855.54/16,360.43 = 6,550.71/x
  3. Step 3: Cross multiply
    11,855.54x = 16,360.43 × 6,550.71
  4. Step 4: Simplify right side
    11,855.54x = 107,172,399.65
  5. Step 5: Solve for x
    x = 107,172,399.65/11,855.54
  6. Step 6: Final answer
    x = 9,039.86

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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.