Home / 11,198.09-16,784.78-4,620.66

Finding the Fourth Proportional to 11,198.09, 16,784.78 and 4,620.66

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Solution

The fourth proportional to 11,198.09, 16,784.78 and 4,620.66 is: 6,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.09 : 16,784.78 = 4,620.66 : x
  2. Step 2: Convert to fraction form
    11,198.09/16,784.78 = 4,620.66/x
  3. Step 3: Cross multiply
    11,198.09x = 16,784.78 × 4,620.66
  4. Step 4: Simplify right side
    11,198.09x = 77,556,738.45
  5. Step 5: Solve for x
    x = 77,556,738.45/11,198.09
  6. Step 6: Final answer
    x = 6,925.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.