Home / 11,203.20-16,806.96-3,805.68

Finding the Fourth Proportional to 11,203.20, 16,806.96 and 3,805.68

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Solution

The fourth proportional to 11,203.20, 16,806.96 and 3,805.68 is: 5,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.20 : 16,806.96 = 3,805.68 : x
  2. Step 2: Convert to fraction form
    11,203.20/16,806.96 = 3,805.68/x
  3. Step 3: Cross multiply
    11,203.20x = 16,806.96 × 3,805.68
  4. Step 4: Simplify right side
    11,203.20x = 63,961,911.53
  5. Step 5: Solve for x
    x = 63,961,911.53/11,203.20
  6. Step 6: Final answer
    x = 5,709.25

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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.