Home / 21,095.11-29,111.84-11,664.01

Finding the Fourth Proportional to 21,095.11, 29,111.84 and 11,664.01

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Solution

The fourth proportional to 21,095.11, 29,111.84 and 11,664.01 is: 16,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.11 : 29,111.84 = 11,664.01 : x
  2. Step 2: Convert to fraction form
    21,095.11/29,111.84 = 11,664.01/x
  3. Step 3: Cross multiply
    21,095.11x = 29,111.84 × 11,664.01
  4. Step 4: Simplify right side
    21,095.11x = 339,560,792.88
  5. Step 5: Solve for x
    x = 339,560,792.88/21,095.11
  6. Step 6: Final answer
    x = 16,096.66

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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.