Home / 11,508.80-17,263.56-3,717.68

Finding the Fourth Proportional to 11,508.80, 17,263.56 and 3,717.68

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Solution

The fourth proportional to 11,508.80, 17,263.56 and 3,717.68 is: 5,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.80 : 17,263.56 = 3,717.68 : x
  2. Step 2: Convert to fraction form
    11,508.80/17,263.56 = 3,717.68/x
  3. Step 3: Cross multiply
    11,508.80x = 17,263.56 × 3,717.68
  4. Step 4: Simplify right side
    11,508.80x = 64,180,391.74
  5. Step 5: Solve for x
    x = 64,180,391.74/11,508.80
  6. Step 6: Final answer
    x = 5,576.64

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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.