Home / 11,205.63-16,808.45-3,414.38

Finding the Fourth Proportional to 11,205.63, 16,808.45 and 3,414.38

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Solution

The fourth proportional to 11,205.63, 16,808.45 and 3,414.38 is: 5,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.63 : 16,808.45 = 3,414.38 : x
  2. Step 2: Convert to fraction form
    11,205.63/16,808.45 = 3,414.38/x
  3. Step 3: Cross multiply
    11,205.63x = 16,808.45 × 3,414.38
  4. Step 4: Simplify right side
    11,205.63x = 57,390,334.40
  5. Step 5: Solve for x
    x = 57,390,334.40/11,205.63
  6. Step 6: Final answer
    x = 5,121.56

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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.