Home / 12,627.20-18,942.92-3,860.06

Finding the Fourth Proportional to 12,627.20, 18,942.92 and 3,860.06

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Solution

The fourth proportional to 12,627.20, 18,942.92 and 3,860.06 is: 5,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.20 : 18,942.92 = 3,860.06 : x
  2. Step 2: Convert to fraction form
    12,627.20/18,942.92 = 3,860.06/x
  3. Step 3: Cross multiply
    12,627.20x = 18,942.92 × 3,860.06
  4. Step 4: Simplify right side
    12,627.20x = 73,120,864.78
  5. Step 5: Solve for x
    x = 73,120,864.78/12,627.20
  6. Step 6: Final answer
    x = 5,790.74

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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.