Home / 18,727.26-25,843.78-10,343.76

Finding the Fourth Proportional to 18,727.26, 25,843.78 and 10,343.76

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Solution

The fourth proportional to 18,727.26, 25,843.78 and 10,343.76 is: 14,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.26 : 25,843.78 = 10,343.76 : x
  2. Step 2: Convert to fraction form
    18,727.26/25,843.78 = 10,343.76/x
  3. Step 3: Cross multiply
    18,727.26x = 25,843.78 × 10,343.76
  4. Step 4: Simplify right side
    18,727.26x = 267,321,857.81
  5. Step 5: Solve for x
    x = 267,321,857.81/18,727.26
  6. Step 6: Final answer
    x = 14,274.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.