Home / 18,397.50-25,391.43-10,949.82

Finding the Fourth Proportional to 18,397.50, 25,391.43 and 10,949.82

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Solution

The fourth proportional to 18,397.50, 25,391.43 and 10,949.82 is: 15,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.50 : 25,391.43 = 10,949.82 : x
  2. Step 2: Convert to fraction form
    18,397.50/25,391.43 = 10,949.82/x
  3. Step 3: Cross multiply
    18,397.50x = 25,391.43 × 10,949.82
  4. Step 4: Simplify right side
    18,397.50x = 278,031,588.04
  5. Step 5: Solve for x
    x = 278,031,588.04/18,397.50
  6. Step 6: Final answer
    x = 15,112.47

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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.