Home / 11,819.41-17,710.64-6,824.85

Finding the Fourth Proportional to 11,819.41, 17,710.64 and 6,824.85

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Solution

The fourth proportional to 11,819.41, 17,710.64 and 6,824.85 is: 10,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.41 : 17,710.64 = 6,824.85 : x
  2. Step 2: Convert to fraction form
    11,819.41/17,710.64 = 6,824.85/x
  3. Step 3: Cross multiply
    11,819.41x = 17,710.64 × 6,824.85
  4. Step 4: Simplify right side
    11,819.41x = 120,872,478.47
  5. Step 5: Solve for x
    x = 120,872,478.47/11,819.41
  6. Step 6: Final answer
    x = 10,226.61

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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.