Home / 21,494.21-29,664.97-12,063.38

Finding the Fourth Proportional to 21,494.21, 29,664.97 and 12,063.38

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Solution

The fourth proportional to 21,494.21, 29,664.97 and 12,063.38 is: 16,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494.21 : 29,664.97 = 12,063.38 : x
  2. Step 2: Convert to fraction form
    21,494.21/29,664.97 = 12,063.38/x
  3. Step 3: Cross multiply
    21,494.21x = 29,664.97 × 12,063.38
  4. Step 4: Simplify right side
    21,494.21x = 357,859,627.32
  5. Step 5: Solve for x
    x = 357,859,627.32/21,494.21
  6. Step 6: Final answer
    x = 16,649.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.