Home / 11,243.81-16,868.45-3,452.63

Finding the Fourth Proportional to 11,243.81, 16,868.45 and 3,452.63

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Solution

The fourth proportional to 11,243.81, 16,868.45 and 3,452.63 is: 5,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.81 : 16,868.45 = 3,452.63 : x
  2. Step 2: Convert to fraction form
    11,243.81/16,868.45 = 3,452.63/x
  3. Step 3: Cross multiply
    11,243.81x = 16,868.45 × 3,452.63
  4. Step 4: Simplify right side
    11,243.81x = 58,240,440.81
  5. Step 5: Solve for x
    x = 58,240,440.81/11,243.81
  6. Step 6: Final answer
    x = 5,179.78

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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.