Home / 13,911.98-20,867.97-3,524.54

Finding the Fourth Proportional to 13,911.98, 20,867.97 and 3,524.54

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Solution

The fourth proportional to 13,911.98, 20,867.97 and 3,524.54 is: 5,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.98 : 20,867.97 = 3,524.54 : x
  2. Step 2: Convert to fraction form
    13,911.98/20,867.97 = 3,524.54/x
  3. Step 3: Cross multiply
    13,911.98x = 20,867.97 × 3,524.54
  4. Step 4: Simplify right side
    13,911.98x = 73,549,994.98
  5. Step 5: Solve for x
    x = 73,549,994.98/13,911.98
  6. Step 6: Final answer
    x = 5,286.81

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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.