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Finding the Fourth Proportional to 10,995.97, 16,489.84 and 4,419.92

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Solution

The fourth proportional to 10,995.97, 16,489.84 and 4,419.92 is: 6,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.97 : 16,489.84 = 4,419.92 : x
  2. Step 2: Convert to fraction form
    10,995.97/16,489.84 = 4,419.92/x
  3. Step 3: Cross multiply
    10,995.97x = 16,489.84 × 4,419.92
  4. Step 4: Simplify right side
    10,995.97x = 72,883,773.61
  5. Step 5: Solve for x
    x = 72,883,773.61/10,995.97
  6. Step 6: Final answer
    x = 6,628.23

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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.