Home / 21,564.36-29,759.40-12,133.26

Finding the Fourth Proportional to 21,564.36, 29,759.40 and 12,133.26

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Solution

The fourth proportional to 21,564.36, 29,759.40 and 12,133.26 is: 16,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.36 : 29,759.40 = 12,133.26 : x
  2. Step 2: Convert to fraction form
    21,564.36/29,759.40 = 12,133.26/x
  3. Step 3: Cross multiply
    21,564.36x = 29,759.40 × 12,133.26
  4. Step 4: Simplify right side
    21,564.36x = 361,078,537.64
  5. Step 5: Solve for x
    x = 361,078,537.64/21,564.36
  6. Step 6: Final answer
    x = 16,744.23

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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.