Home / 10,819.49-16,200.92-8,699.85

Finding the Fourth Proportional to 10,819.49, 16,200.92 and 8,699.85

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Solution

The fourth proportional to 10,819.49, 16,200.92 and 8,699.85 is: 13,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.49 : 16,200.92 = 8,699.85 : x
  2. Step 2: Convert to fraction form
    10,819.49/16,200.92 = 8,699.85/x
  3. Step 3: Cross multiply
    10,819.49x = 16,200.92 × 8,699.85
  4. Step 4: Simplify right side
    10,819.49x = 140,945,530.36
  5. Step 5: Solve for x
    x = 140,945,530.36/10,819.49
  6. Step 6: Final answer
    x = 13,027.01

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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.