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Finding the Fourth Proportional to 11,176.76, 16,757.04 and 4,600.64

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Solution

The fourth proportional to 11,176.76, 16,757.04 and 4,600.64 is: 6,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.76 : 16,757.04 = 4,600.64 : x
  2. Step 2: Convert to fraction form
    11,176.76/16,757.04 = 4,600.64/x
  3. Step 3: Cross multiply
    11,176.76x = 16,757.04 × 4,600.64
  4. Step 4: Simplify right side
    11,176.76x = 77,093,108.51
  5. Step 5: Solve for x
    x = 77,093,108.51/11,176.76
  6. Step 6: Final answer
    x = 6,897.63

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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.