Home / 17,279.76-25,908.66-11,433.36

Finding the Fourth Proportional to 17,279.76, 25,908.66 and 11,433.36

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Solution

The fourth proportional to 17,279.76, 25,908.66 and 11,433.36 is: 17,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.76 : 25,908.66 = 11,433.36 : x
  2. Step 2: Convert to fraction form
    17,279.76/25,908.66 = 11,433.36/x
  3. Step 3: Cross multiply
    17,279.76x = 25,908.66 × 11,433.36
  4. Step 4: Simplify right side
    17,279.76x = 296,223,036.90
  5. Step 5: Solve for x
    x = 296,223,036.90/17,279.76
  6. Step 6: Final answer
    x = 17,142.77

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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.