Home / 13,664.76-20,493.09-5,871.75

Finding the Fourth Proportional to 13,664.76, 20,493.09 and 5,871.75

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Solution

The fourth proportional to 13,664.76, 20,493.09 and 5,871.75 is: 8,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.76 : 20,493.09 = 5,871.75 : x
  2. Step 2: Convert to fraction form
    13,664.76/20,493.09 = 5,871.75/x
  3. Step 3: Cross multiply
    13,664.76x = 20,493.09 × 5,871.75
  4. Step 4: Simplify right side
    13,664.76x = 120,330,301.21
  5. Step 5: Solve for x
    x = 120,330,301.21/13,664.76
  6. Step 6: Final answer
    x = 8,805.88

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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.