Home / 11,716.89-17,573.54-3,819.39

Finding the Fourth Proportional to 11,716.89, 17,573.54 and 3,819.39

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Solution

The fourth proportional to 11,716.89, 17,573.54 and 3,819.39 is: 5,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.89 : 17,573.54 = 3,819.39 : x
  2. Step 2: Convert to fraction form
    11,716.89/17,573.54 = 3,819.39/x
  3. Step 3: Cross multiply
    11,716.89x = 17,573.54 × 3,819.39
  4. Step 4: Simplify right side
    11,716.89x = 67,120,117.94
  5. Step 5: Solve for x
    x = 67,120,117.94/11,716.89
  6. Step 6: Final answer
    x = 5,728.49

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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.