Home / 13,726.39-20,584.96-5,404.23

Finding the Fourth Proportional to 13,726.39, 20,584.96 and 5,404.23

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Solution

The fourth proportional to 13,726.39, 20,584.96 and 5,404.23 is: 8,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.39 : 20,584.96 = 5,404.23 : x
  2. Step 2: Convert to fraction form
    13,726.39/20,584.96 = 5,404.23/x
  3. Step 3: Cross multiply
    13,726.39x = 20,584.96 × 5,404.23
  4. Step 4: Simplify right side
    13,726.39x = 111,245,858.38
  5. Step 5: Solve for x
    x = 111,245,858.38/13,726.39
  6. Step 6: Final answer
    x = 8,104.52

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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.