Home / 11,206.85-16,805.42-3,809.33

Finding the Fourth Proportional to 11,206.85, 16,805.42 and 3,809.33

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Solution

The fourth proportional to 11,206.85, 16,805.42 and 3,809.33 is: 5,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.85 : 16,805.42 = 3,809.33 : x
  2. Step 2: Convert to fraction form
    11,206.85/16,805.42 = 3,809.33/x
  3. Step 3: Cross multiply
    11,206.85x = 16,805.42 × 3,809.33
  4. Step 4: Simplify right side
    11,206.85x = 64,017,287.49
  5. Step 5: Solve for x
    x = 64,017,287.49/11,206.85
  6. Step 6: Final answer
    x = 5,712.33

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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.