Home / 13,073.68-19,609.92-3,213.04

Finding the Fourth Proportional to 13,073.68, 19,609.92 and 3,213.04

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Solution

The fourth proportional to 13,073.68, 19,609.92 and 3,213.04 is: 4,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.68 : 19,609.92 = 3,213.04 : x
  2. Step 2: Convert to fraction form
    13,073.68/19,609.92 = 3,213.04/x
  3. Step 3: Cross multiply
    13,073.68x = 19,609.92 × 3,213.04
  4. Step 4: Simplify right side
    13,073.68x = 63,007,457.36
  5. Step 5: Solve for x
    x = 63,007,457.36/13,073.68
  6. Step 6: Final answer
    x = 4,819.41

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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.