Home / 18,650.36-25,724.39-12,274.91

Finding the Fourth Proportional to 18,650.36, 25,724.39 and 12,274.91

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Solution

The fourth proportional to 18,650.36, 25,724.39 and 12,274.91 is: 16,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.36 : 25,724.39 = 12,274.91 : x
  2. Step 2: Convert to fraction form
    18,650.36/25,724.39 = 12,274.91/x
  3. Step 3: Cross multiply
    18,650.36x = 25,724.39 × 12,274.91
  4. Step 4: Simplify right side
    18,650.36x = 315,764,382.06
  5. Step 5: Solve for x
    x = 315,764,382.06/18,650.36
  6. Step 6: Final answer
    x = 16,930.74

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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.