Home / 11,181.59-16,772.38-3,390.41

Finding the Fourth Proportional to 11,181.59, 16,772.38 and 3,390.41

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Solution

The fourth proportional to 11,181.59, 16,772.38 and 3,390.41 is: 5,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.59 : 16,772.38 = 3,390.41 : x
  2. Step 2: Convert to fraction form
    11,181.59/16,772.38 = 3,390.41/x
  3. Step 3: Cross multiply
    11,181.59x = 16,772.38 × 3,390.41
  4. Step 4: Simplify right side
    11,181.59x = 56,865,203.06
  5. Step 5: Solve for x
    x = 56,865,203.06/11,181.59
  6. Step 6: Final answer
    x = 5,085.61

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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.