Home / 13,944.06-20,915.82-3,555.90

Finding the Fourth Proportional to 13,944.06, 20,915.82 and 3,555.90

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Solution

The fourth proportional to 13,944.06, 20,915.82 and 3,555.90 is: 5,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.06 : 20,915.82 = 3,555.90 : x
  2. Step 2: Convert to fraction form
    13,944.06/20,915.82 = 3,555.90/x
  3. Step 3: Cross multiply
    13,944.06x = 20,915.82 × 3,555.90
  4. Step 4: Simplify right side
    13,944.06x = 74,374,564.34
  5. Step 5: Solve for x
    x = 74,374,564.34/13,944.06
  6. Step 6: Final answer
    x = 5,333.78

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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.