Home / 13,212.48-19,819.10-3,351.74

Finding the Fourth Proportional to 13,212.48, 19,819.10 and 3,351.74

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Solution

The fourth proportional to 13,212.48, 19,819.10 and 3,351.74 is: 5,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.48 : 19,819.10 = 3,351.74 : x
  2. Step 2: Convert to fraction form
    13,212.48/19,819.10 = 3,351.74/x
  3. Step 3: Cross multiply
    13,212.48x = 19,819.10 × 3,351.74
  4. Step 4: Simplify right side
    13,212.48x = 66,428,472.15
  5. Step 5: Solve for x
    x = 66,428,472.15/13,212.48
  6. Step 6: Final answer
    x = 5,027.71

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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.