Home / 13,844.12-20,769.64-3,983.38

Finding the Fourth Proportional to 13,844.12, 20,769.64 and 3,983.38

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Solution

The fourth proportional to 13,844.12, 20,769.64 and 3,983.38 is: 5,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.12 : 20,769.64 = 3,983.38 : x
  2. Step 2: Convert to fraction form
    13,844.12/20,769.64 = 3,983.38/x
  3. Step 3: Cross multiply
    13,844.12x = 20,769.64 × 3,983.38
  4. Step 4: Simplify right side
    13,844.12x = 82,733,368.58
  5. Step 5: Solve for x
    x = 82,733,368.58/13,844.12
  6. Step 6: Final answer
    x = 5,976.07

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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.