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Finding the Fourth Proportional to 11,114.94, 16,672.41 and 4,539.97

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Solution

The fourth proportional to 11,114.94, 16,672.41 and 4,539.97 is: 6,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.94 : 16,672.41 = 4,539.97 : x
  2. Step 2: Convert to fraction form
    11,114.94/16,672.41 = 4,539.97/x
  3. Step 3: Cross multiply
    11,114.94x = 16,672.41 × 4,539.97
  4. Step 4: Simplify right side
    11,114.94x = 75,692,241.23
  5. Step 5: Solve for x
    x = 75,692,241.23/11,114.94
  6. Step 6: Final answer
    x = 6,809.96

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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.