Home / 21,195.39-29,250.36-11,636.04

Finding the Fourth Proportional to 21,195.39, 29,250.36 and 11,636.04

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Solution

The fourth proportional to 21,195.39, 29,250.36 and 11,636.04 is: 16,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.39 : 29,250.36 = 11,636.04 : x
  2. Step 2: Convert to fraction form
    21,195.39/29,250.36 = 11,636.04/x
  3. Step 3: Cross multiply
    21,195.39x = 29,250.36 × 11,636.04
  4. Step 4: Simplify right side
    21,195.39x = 340,358,358.97
  5. Step 5: Solve for x
    x = 340,358,358.97/21,195.39
  6. Step 6: Final answer
    x = 16,058.13

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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.