Home / 21,893.39-32,809.25-12,519.36

Finding the Fourth Proportional to 21,893.39, 32,809.25 and 12,519.36

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Solution

The fourth proportional to 21,893.39, 32,809.25 and 12,519.36 is: 18,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893.39 : 32,809.25 = 12,519.36 : x
  2. Step 2: Convert to fraction form
    21,893.39/32,809.25 = 12,519.36/x
  3. Step 3: Cross multiply
    21,893.39x = 32,809.25 × 12,519.36
  4. Step 4: Simplify right side
    21,893.39x = 410,750,843.38
  5. Step 5: Solve for x
    x = 410,750,843.38/21,893.39
  6. Step 6: Final answer
    x = 18,761.41

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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.