Home / 13,837.68-20,757.33-3,976.74

Finding the Fourth Proportional to 13,837.68, 20,757.33 and 3,976.74

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Solution

The fourth proportional to 13,837.68, 20,757.33 and 3,976.74 is: 5,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.68 : 20,757.33 = 3,976.74 : x
  2. Step 2: Convert to fraction form
    13,837.68/20,757.33 = 3,976.74/x
  3. Step 3: Cross multiply
    13,837.68x = 20,757.33 × 3,976.74
  4. Step 4: Simplify right side
    13,837.68x = 82,546,504.50
  5. Step 5: Solve for x
    x = 82,546,504.50/13,837.68
  6. Step 6: Final answer
    x = 5,965.34

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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.