Home / 11,778.86-17,668.30-5,940.38

Finding the Fourth Proportional to 11,778.86, 17,668.30 and 5,940.38

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Solution

The fourth proportional to 11,778.86, 17,668.30 and 5,940.38 is: 8,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.86 : 17,668.30 = 5,940.38 : x
  2. Step 2: Convert to fraction form
    11,778.86/17,668.30 = 5,940.38/x
  3. Step 3: Cross multiply
    11,778.86x = 17,668.30 × 5,940.38
  4. Step 4: Simplify right side
    11,778.86x = 104,956,415.95
  5. Step 5: Solve for x
    x = 104,956,415.95/11,778.86
  6. Step 6: Final answer
    x = 8,910.58

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1.5x scale

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.