Home / 13,944.12-20,918.01-4,083.30

Finding the Fourth Proportional to 13,944.12, 20,918.01 and 4,083.30

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Solution

The fourth proportional to 13,944.12, 20,918.01 and 4,083.30 is: 6,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.12 : 20,918.01 = 4,083.30 : x
  2. Step 2: Convert to fraction form
    13,944.12/20,918.01 = 4,083.30/x
  3. Step 3: Cross multiply
    13,944.12x = 20,918.01 × 4,083.30
  4. Step 4: Simplify right side
    13,944.12x = 85,414,510.23
  5. Step 5: Solve for x
    x = 85,414,510.23/13,944.12
  6. Step 6: Final answer
    x = 6,125.49

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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.