Home / 11,392.76-17,089.92-3,072.85

Finding the Fourth Proportional to 11,392.76, 17,089.92 and 3,072.85

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Solution

The fourth proportional to 11,392.76, 17,089.92 and 3,072.85 is: 4,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.76 : 17,089.92 = 3,072.85 : x
  2. Step 2: Convert to fraction form
    11,392.76/17,089.92 = 3,072.85/x
  3. Step 3: Cross multiply
    11,392.76x = 17,089.92 × 3,072.85
  4. Step 4: Simplify right side
    11,392.76x = 52,514,717.95
  5. Step 5: Solve for x
    x = 52,514,717.95/11,392.76
  6. Step 6: Final answer
    x = 4,609.48

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1.5x scale

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.