Home / 12,714.33-19,071.51-3,949.23

Finding the Fourth Proportional to 12,714.33, 19,071.51 and 3,949.23

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Solution

The fourth proportional to 12,714.33, 19,071.51 and 3,949.23 is: 5,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.33 : 19,071.51 = 3,949.23 : x
  2. Step 2: Convert to fraction form
    12,714.33/19,071.51 = 3,949.23/x
  3. Step 3: Cross multiply
    12,714.33x = 19,071.51 × 3,949.23
  4. Step 4: Simplify right side
    12,714.33x = 75,317,779.44
  5. Step 5: Solve for x
    x = 75,317,779.44/12,714.33
  6. Step 6: Final answer
    x = 5,923.85

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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.