Home / 12,194.97-18,290.55-3,873.90

Finding the Fourth Proportional to 12,194.97, 18,290.55 and 3,873.90

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Solution

The fourth proportional to 12,194.97, 18,290.55 and 3,873.90 is: 5,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.97 : 18,290.55 = 3,873.90 : x
  2. Step 2: Convert to fraction form
    12,194.97/18,290.55 = 3,873.90/x
  3. Step 3: Cross multiply
    12,194.97x = 18,290.55 × 3,873.90
  4. Step 4: Simplify right side
    12,194.97x = 70,855,707.58
  5. Step 5: Solve for x
    x = 70,855,707.58/12,194.97
  6. Step 6: Final answer
    x = 5,810.24

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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.