Home / 13,213.42-19,820.22-3,352.68

Finding the Fourth Proportional to 13,213.42, 19,820.22 and 3,352.68

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Solution

The fourth proportional to 13,213.42, 19,820.22 and 3,352.68 is: 5,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.42 : 19,820.22 = 3,352.68 : x
  2. Step 2: Convert to fraction form
    13,213.42/19,820.22 = 3,352.68/x
  3. Step 3: Cross multiply
    13,213.42x = 19,820.22 × 3,352.68
  4. Step 4: Simplify right side
    13,213.42x = 66,450,855.19
  5. Step 5: Solve for x
    x = 66,450,855.19/13,213.42
  6. Step 6: Final answer
    x = 5,029.04

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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.