Home / 11,828.70-17,743.12-3,508.79

Finding the Fourth Proportional to 11,828.70, 17,743.12 and 3,508.79

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Solution

The fourth proportional to 11,828.70, 17,743.12 and 3,508.79 is: 5,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.70 : 17,743.12 = 3,508.79 : x
  2. Step 2: Convert to fraction form
    11,828.70/17,743.12 = 3,508.79/x
  3. Step 3: Cross multiply
    11,828.70x = 17,743.12 × 3,508.79
  4. Step 4: Simplify right side
    11,828.70x = 62,256,784.54
  5. Step 5: Solve for x
    x = 62,256,784.54/11,828.70
  6. Step 6: Final answer
    x = 5,263.20

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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.