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Finding the Fourth Proportional to 11,337.91, 17,006.90 and 3,440.49

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Solution

The fourth proportional to 11,337.91, 17,006.90 and 3,440.49 is: 5,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.91 : 17,006.90 = 3,440.49 : x
  2. Step 2: Convert to fraction form
    11,337.91/17,006.90 = 3,440.49/x
  3. Step 3: Cross multiply
    11,337.91x = 17,006.90 × 3,440.49
  4. Step 4: Simplify right side
    11,337.91x = 58,512,029.97
  5. Step 5: Solve for x
    x = 58,512,029.97/11,337.91
  6. Step 6: Final answer
    x = 5,160.74

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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.