Home / 18,727.25-25,843.55-10,343.75

Finding the Fourth Proportional to 18,727.25, 25,843.55 and 10,343.75

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Solution

The fourth proportional to 18,727.25, 25,843.55 and 10,343.75 is: 14,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.25 : 25,843.55 = 10,343.75 : x
  2. Step 2: Convert to fraction form
    18,727.25/25,843.55 = 10,343.75/x
  3. Step 3: Cross multiply
    18,727.25x = 25,843.55 × 10,343.75
  4. Step 4: Simplify right side
    18,727.25x = 267,319,233.20
  5. Step 5: Solve for x
    x = 267,319,233.20/18,727.25
  6. Step 6: Final answer
    x = 14,274.34

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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.