Home / 18,727.88-25,843.98-10,344.20

Finding the Fourth Proportional to 18,727.88, 25,843.98 and 10,344.20

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Solution

The fourth proportional to 18,727.88, 25,843.98 and 10,344.20 is: 14,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.88 : 25,843.98 = 10,344.20 : x
  2. Step 2: Convert to fraction form
    18,727.88/25,843.98 = 10,344.20/x
  3. Step 3: Cross multiply
    18,727.88x = 25,843.98 × 10,344.20
  4. Step 4: Simplify right side
    18,727.88x = 267,335,297.92
  5. Step 5: Solve for x
    x = 267,335,297.92/18,727.88
  6. Step 6: Final answer
    x = 14,274.72

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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.