Home / 21,083.46-29,096.64-11,651.82

Finding the Fourth Proportional to 21,083.46, 29,096.64 and 11,651.82

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Solution

The fourth proportional to 21,083.46, 29,096.64 and 11,651.82 is: 16,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.46 : 29,096.64 = 11,651.82 : x
  2. Step 2: Convert to fraction form
    21,083.46/29,096.64 = 11,651.82/x
  3. Step 3: Cross multiply
    21,083.46x = 29,096.64 × 11,651.82
  4. Step 4: Simplify right side
    21,083.46x = 339,028,811.88
  5. Step 5: Solve for x
    x = 339,028,811.88/21,083.46
  6. Step 6: Final answer
    x = 16,080.32

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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.