Home / 21,743.26-32,613.83-12,742.39

Finding the Fourth Proportional to 21,743.26, 32,613.83 and 12,742.39

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Solution

The fourth proportional to 21,743.26, 32,613.83 and 12,742.39 is: 19,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.26 : 32,613.83 = 12,742.39 : x
  2. Step 2: Convert to fraction form
    21,743.26/32,613.83 = 12,742.39/x
  3. Step 3: Cross multiply
    21,743.26x = 32,613.83 × 12,742.39
  4. Step 4: Simplify right side
    21,743.26x = 415,578,091.58
  5. Step 5: Solve for x
    x = 415,578,091.58/21,743.26
  6. Step 6: Final answer
    x = 19,112.96

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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.