Home / 18,794.42-28,179.37-6,142.62

Finding the Fourth Proportional to 18,794.42, 28,179.37 and 6,142.62

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Solution

The fourth proportional to 18,794.42, 28,179.37 and 6,142.62 is: 9,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.42 : 28,179.37 = 6,142.62 : x
  2. Step 2: Convert to fraction form
    18,794.42/28,179.37 = 6,142.62/x
  3. Step 3: Cross multiply
    18,794.42x = 28,179.37 × 6,142.62
  4. Step 4: Simplify right side
    18,794.42x = 173,095,161.75
  5. Step 5: Solve for x
    x = 173,095,161.75/18,794.42
  6. Step 6: Final answer
    x = 9,209.92

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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.