Home / 10,819.37-16,219.64-4,408.83

Finding the Fourth Proportional to 10,819.37, 16,219.64 and 4,408.83

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Solution

The fourth proportional to 10,819.37, 16,219.64 and 4,408.83 is: 6,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.37 : 16,219.64 = 4,408.83 : x
  2. Step 2: Convert to fraction form
    10,819.37/16,219.64 = 4,408.83/x
  3. Step 3: Cross multiply
    10,819.37x = 16,219.64 × 4,408.83
  4. Step 4: Simplify right side
    10,819.37x = 71,509,646.44
  5. Step 5: Solve for x
    x = 71,509,646.44/10,819.37
  6. Step 6: Final answer
    x = 6,609.41

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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.