Home / 12,343.44-18,514.62-3,578.16

Finding the Fourth Proportional to 12,343.44, 18,514.62 and 3,578.16

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Solution

The fourth proportional to 12,343.44, 18,514.62 and 3,578.16 is: 5,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.44 : 18,514.62 = 3,578.16 : x
  2. Step 2: Convert to fraction form
    12,343.44/18,514.62 = 3,578.16/x
  3. Step 3: Cross multiply
    12,343.44x = 18,514.62 × 3,578.16
  4. Step 4: Simplify right side
    12,343.44x = 66,248,272.70
  5. Step 5: Solve for x
    x = 66,248,272.70/12,343.44
  6. Step 6: Final answer
    x = 5,367.08

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Double scale
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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.