Home / 12,714.24-19,071.36-3,949.68

Finding the Fourth Proportional to 12,714.24, 19,071.36 and 3,949.68

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Solution

The fourth proportional to 12,714.24, 19,071.36 and 3,949.68 is: 5,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.24 : 19,071.36 = 3,949.68 : x
  2. Step 2: Convert to fraction form
    12,714.24/19,071.36 = 3,949.68/x
  3. Step 3: Cross multiply
    12,714.24x = 19,071.36 × 3,949.68
  4. Step 4: Simplify right side
    12,714.24x = 75,325,769.16
  5. Step 5: Solve for x
    x = 75,325,769.16/12,714.24
  6. Step 6: Final answer
    x = 5,924.52

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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.