Home / 14,638.38-21,906.51-11,975.10

Finding the Fourth Proportional to 14,638.38, 21,906.51 and 11,975.10

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Solution

The fourth proportional to 14,638.38, 21,906.51 and 11,975.10 is: 17,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.38 : 21,906.51 = 11,975.10 : x
  2. Step 2: Convert to fraction form
    14,638.38/21,906.51 = 11,975.10/x
  3. Step 3: Cross multiply
    14,638.38x = 21,906.51 × 11,975.10
  4. Step 4: Simplify right side
    14,638.38x = 262,332,647.90
  5. Step 5: Solve for x
    x = 262,332,647.90/14,638.38
  6. Step 6: Final answer
    x = 17,920.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.