Home / 13,836.22-20,759.56-8,293.52

Finding the Fourth Proportional to 13,836.22, 20,759.56 and 8,293.52

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Solution

The fourth proportional to 13,836.22, 20,759.56 and 8,293.52 is: 12,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.22 : 20,759.56 = 8,293.52 : x
  2. Step 2: Convert to fraction form
    13,836.22/20,759.56 = 8,293.52/x
  3. Step 3: Cross multiply
    13,836.22x = 20,759.56 × 8,293.52
  4. Step 4: Simplify right side
    13,836.22x = 172,169,857.22
  5. Step 5: Solve for x
    x = 172,169,857.22/13,836.22
  6. Step 6: Final answer
    x = 12,443.42

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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.