Home / 21,577.14-29,777.01-12,146.04

Finding the Fourth Proportional to 21,577.14, 29,777.01 and 12,146.04

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Solution

The fourth proportional to 21,577.14, 29,777.01 and 12,146.04 is: 16,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.14 : 29,777.01 = 12,146.04 : x
  2. Step 2: Convert to fraction form
    21,577.14/29,777.01 = 12,146.04/x
  3. Step 3: Cross multiply
    21,577.14x = 29,777.01 × 12,146.04
  4. Step 4: Simplify right side
    21,577.14x = 361,672,754.54
  5. Step 5: Solve for x
    x = 361,672,754.54/21,577.14
  6. Step 6: Final answer
    x = 16,761.85

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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.