Home / 12,418.06-18,627.09-3,653.05

Finding the Fourth Proportional to 12,418.06, 18,627.09 and 3,653.05

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Solution

The fourth proportional to 12,418.06, 18,627.09 and 3,653.05 is: 5,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.06 : 18,627.09 = 3,653.05 : x
  2. Step 2: Convert to fraction form
    12,418.06/18,627.09 = 3,653.05/x
  3. Step 3: Cross multiply
    12,418.06x = 18,627.09 × 3,653.05
  4. Step 4: Simplify right side
    12,418.06x = 68,045,691.12
  5. Step 5: Solve for x
    x = 68,045,691.12/12,418.06
  6. Step 6: Final answer
    x = 5,479.58

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Similar ratio
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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.