Home / 13,882.82-20,823.60-4,021.88

Finding the Fourth Proportional to 13,882.82, 20,823.60 and 4,021.88

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Solution

The fourth proportional to 13,882.82, 20,823.60 and 4,021.88 is: 6,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.82 : 20,823.60 = 4,021.88 : x
  2. Step 2: Convert to fraction form
    13,882.82/20,823.60 = 4,021.88/x
  3. Step 3: Cross multiply
    13,882.82x = 20,823.60 × 4,021.88
  4. Step 4: Simplify right side
    13,882.82x = 83,749,916.25
  5. Step 5: Solve for x
    x = 83,749,916.25/13,882.82
  6. Step 6: Final answer
    x = 6,032.63

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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.