Home / 13,571.72-20,354.31-5,669.97

Finding the Fourth Proportional to 13,571.72, 20,354.31 and 5,669.97

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Solution

The fourth proportional to 13,571.72, 20,354.31 and 5,669.97 is: 8,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.72 : 20,354.31 = 5,669.97 : x
  2. Step 2: Convert to fraction form
    13,571.72/20,354.31 = 5,669.97/x
  3. Step 3: Cross multiply
    13,571.72x = 20,354.31 × 5,669.97
  4. Step 4: Simplify right side
    13,571.72x = 115,408,298.72
  5. Step 5: Solve for x
    x = 115,408,298.72/13,571.72
  6. Step 6: Final answer
    x = 8,503.59

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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.