Home / 21,094.30-29,112.06-11,664.64

Finding the Fourth Proportional to 21,094.30, 29,112.06 and 11,664.64

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Solution

The fourth proportional to 21,094.30, 29,112.06 and 11,664.64 is: 16,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.30 : 29,112.06 = 11,664.64 : x
  2. Step 2: Convert to fraction form
    21,094.30/29,112.06 = 11,664.64/x
  3. Step 3: Cross multiply
    21,094.30x = 29,112.06 × 11,664.64
  4. Step 4: Simplify right side
    21,094.30x = 339,581,699.56
  5. Step 5: Solve for x
    x = 339,581,699.56/21,094.30
  6. Step 6: Final answer
    x = 16,098.27

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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.