Home / 21,554.44-29,744.51-11,993.83

Finding the Fourth Proportional to 21,554.44, 29,744.51 and 11,993.83

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Solution

The fourth proportional to 21,554.44, 29,744.51 and 11,993.83 is: 16,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.44 : 29,744.51 = 11,993.83 : x
  2. Step 2: Convert to fraction form
    21,554.44/29,744.51 = 11,993.83/x
  3. Step 3: Cross multiply
    21,554.44x = 29,744.51 × 11,993.83
  4. Step 4: Simplify right side
    21,554.44x = 356,750,462.04
  5. Step 5: Solve for x
    x = 356,750,462.04/21,554.44
  6. Step 6: Final answer
    x = 16,551.14

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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.