Home / 12,131.74-18,197.60-3,366.65

Finding the Fourth Proportional to 12,131.74, 18,197.60 and 3,366.65

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Solution

The fourth proportional to 12,131.74, 18,197.60 and 3,366.65 is: 5,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.74 : 18,197.60 = 3,366.65 : x
  2. Step 2: Convert to fraction form
    12,131.74/18,197.60 = 3,366.65/x
  3. Step 3: Cross multiply
    12,131.74x = 18,197.60 × 3,366.65
  4. Step 4: Simplify right side
    12,131.74x = 61,264,950.04
  5. Step 5: Solve for x
    x = 61,264,950.04/12,131.74
  6. Step 6: Final answer
    x = 5,049.97

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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.