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Finding the Fourth Proportional to 11,104.74, 16,657.74 and 4,530.78

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Solution

The fourth proportional to 11,104.74, 16,657.74 and 4,530.78 is: 6,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.74 : 16,657.74 = 4,530.78 : x
  2. Step 2: Convert to fraction form
    11,104.74/16,657.74 = 4,530.78/x
  3. Step 3: Cross multiply
    11,104.74x = 16,657.74 × 4,530.78
  4. Step 4: Simplify right side
    11,104.74x = 75,472,555.24
  5. Step 5: Solve for x
    x = 75,472,555.24/11,104.74
  6. Step 6: Final answer
    x = 6,796.43

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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.