Home / 13,073.39-19,609.92-3,212.76

Finding the Fourth Proportional to 13,073.39, 19,609.92 and 3,212.76

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Solution

The fourth proportional to 13,073.39, 19,609.92 and 3,212.76 is: 4,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.39 : 19,609.92 = 3,212.76 : x
  2. Step 2: Convert to fraction form
    13,073.39/19,609.92 = 3,212.76/x
  3. Step 3: Cross multiply
    13,073.39x = 19,609.92 × 3,212.76
  4. Step 4: Simplify right side
    13,073.39x = 63,001,852.47
  5. Step 5: Solve for x
    x = 63,001,852.47/13,073.39
  6. Step 6: Final answer
    x = 4,819.09

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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.