Home / 21,016.71-29,001.92-11,584.53

Finding the Fourth Proportional to 21,016.71, 29,001.92 and 11,584.53

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Solution

The fourth proportional to 21,016.71, 29,001.92 and 11,584.53 is: 15,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016.71 : 29,001.92 = 11,584.53 : x
  2. Step 2: Convert to fraction form
    21,016.71/29,001.92 = 11,584.53/x
  3. Step 3: Cross multiply
    21,016.71x = 29,001.92 × 11,584.53
  4. Step 4: Simplify right side
    21,016.71x = 335,973,554.37
  5. Step 5: Solve for x
    x = 335,973,554.37/21,016.71
  6. Step 6: Final answer
    x = 15,986.02

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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.