Home / 11,219.66-16,829.51-4,199.39

Finding the Fourth Proportional to 11,219.66, 16,829.51 and 4,199.39

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Solution

The fourth proportional to 11,219.66, 16,829.51 and 4,199.39 is: 6,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.66 : 16,829.51 = 4,199.39 : x
  2. Step 2: Convert to fraction form
    11,219.66/16,829.51 = 4,199.39/x
  3. Step 3: Cross multiply
    11,219.66x = 16,829.51 × 4,199.39
  4. Step 4: Simplify right side
    11,219.66x = 70,673,570.85
  5. Step 5: Solve for x
    x = 70,673,570.85/11,219.66
  6. Step 6: Final answer
    x = 6,299.09

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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.