Home / 11,108.20-16,662.60-4,865

Finding the Fourth Proportional to 11,108.20, 16,662.60 and 4,865

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Solution

The fourth proportional to 11,108.20, 16,662.60 and 4,865 is: 7,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.20 : 16,662.60 = 4,865 : x
  2. Step 2: Convert to fraction form
    11,108.20/16,662.60 = 4,865/x
  3. Step 3: Cross multiply
    11,108.20x = 16,662.60 × 4,865
  4. Step 4: Simplify right side
    11,108.20x = 81,063,549
  5. Step 5: Solve for x
    x = 81,063,549/11,108.20
  6. Step 6: Final answer
    x = 7,297.63

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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.