Home / 11,228.98-16,844.28-3,436.78

Finding the Fourth Proportional to 11,228.98, 16,844.28 and 3,436.78

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Solution

The fourth proportional to 11,228.98, 16,844.28 and 3,436.78 is: 5,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.98 : 16,844.28 = 3,436.78 : x
  2. Step 2: Convert to fraction form
    11,228.98/16,844.28 = 3,436.78/x
  3. Step 3: Cross multiply
    11,228.98x = 16,844.28 × 3,436.78
  4. Step 4: Simplify right side
    11,228.98x = 57,890,084.62
  5. Step 5: Solve for x
    x = 57,890,084.62/11,228.98
  6. Step 6: Final answer
    x = 5,155.42

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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.