Home / 13,893.88-20,842.44-5,576.80

Finding the Fourth Proportional to 13,893.88, 20,842.44 and 5,576.80

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Solution

The fourth proportional to 13,893.88, 20,842.44 and 5,576.80 is: 8,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.88 : 20,842.44 = 5,576.80 : x
  2. Step 2: Convert to fraction form
    13,893.88/20,842.44 = 5,576.80/x
  3. Step 3: Cross multiply
    13,893.88x = 20,842.44 × 5,576.80
  4. Step 4: Simplify right side
    13,893.88x = 116,234,119.39
  5. Step 5: Solve for x
    x = 116,234,119.39/13,893.88
  6. Step 6: Final answer
    x = 8,365.85

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1.5x scale

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.