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Finding the Fourth Proportional to 11,165.68, 16,749.84 and 3,770.88

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Solution

The fourth proportional to 11,165.68, 16,749.84 and 3,770.88 is: 5,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.68 : 16,749.84 = 3,770.88 : x
  2. Step 2: Convert to fraction form
    11,165.68/16,749.84 = 3,770.88/x
  3. Step 3: Cross multiply
    11,165.68x = 16,749.84 × 3,770.88
  4. Step 4: Simplify right side
    11,165.68x = 63,161,636.66
  5. Step 5: Solve for x
    x = 63,161,636.66/11,165.68
  6. Step 6: Final answer
    x = 5,656.77

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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.