Home / 13,917.46-20,876.28-3,529.24

Finding the Fourth Proportional to 13,917.46, 20,876.28 and 3,529.24

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Solution

The fourth proportional to 13,917.46, 20,876.28 and 3,529.24 is: 5,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.46 : 20,876.28 = 3,529.24 : x
  2. Step 2: Convert to fraction form
    13,917.46/20,876.28 = 3,529.24/x
  3. Step 3: Cross multiply
    13,917.46x = 20,876.28 × 3,529.24
  4. Step 4: Simplify right side
    13,917.46x = 73,677,402.43
  5. Step 5: Solve for x
    x = 73,677,402.43/13,917.46
  6. Step 6: Final answer
    x = 5,293.88

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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.