Home / 13,712.87-20,576.74-5,819.82

Finding the Fourth Proportional to 13,712.87, 20,576.74 and 5,819.82

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Solution

The fourth proportional to 13,712.87, 20,576.74 and 5,819.82 is: 8,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.87 : 20,576.74 = 5,819.82 : x
  2. Step 2: Convert to fraction form
    13,712.87/20,576.74 = 5,819.82/x
  3. Step 3: Cross multiply
    13,712.87x = 20,576.74 × 5,819.82
  4. Step 4: Simplify right side
    13,712.87x = 119,752,908.44
  5. Step 5: Solve for x
    x = 119,752,908.44/13,712.87
  6. Step 6: Final answer
    x = 8,732.89

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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.