Home / 13,837.56-20,756.22-3,976.80

Finding the Fourth Proportional to 13,837.56, 20,756.22 and 3,976.80

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Solution

The fourth proportional to 13,837.56, 20,756.22 and 3,976.80 is: 5,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.56 : 20,756.22 = 3,976.80 : x
  2. Step 2: Convert to fraction form
    13,837.56/20,756.22 = 3,976.80/x
  3. Step 3: Cross multiply
    13,837.56x = 20,756.22 × 3,976.80
  4. Step 4: Simplify right side
    13,837.56x = 82,543,335.70
  5. Step 5: Solve for x
    x = 82,543,335.70/13,837.56
  6. Step 6: Final answer
    x = 5,965.17

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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.