Home / 13,726.80-20,590.16-5,524.56

Finding the Fourth Proportional to 13,726.80, 20,590.16 and 5,524.56

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Solution

The fourth proportional to 13,726.80, 20,590.16 and 5,524.56 is: 8,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.80 : 20,590.16 = 5,524.56 : x
  2. Step 2: Convert to fraction form
    13,726.80/20,590.16 = 5,524.56/x
  3. Step 3: Cross multiply
    13,726.80x = 20,590.16 × 5,524.56
  4. Step 4: Simplify right side
    13,726.80x = 113,751,574.33
  5. Step 5: Solve for x
    x = 113,751,574.33/13,726.80
  6. Step 6: Final answer
    x = 8,286.82

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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.