Home / 10,982.68-16,476.57-3,191.26

Finding the Fourth Proportional to 10,982.68, 16,476.57 and 3,191.26

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Solution

The fourth proportional to 10,982.68, 16,476.57 and 3,191.26 is: 4,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.68 : 16,476.57 = 3,191.26 : x
  2. Step 2: Convert to fraction form
    10,982.68/16,476.57 = 3,191.26/x
  3. Step 3: Cross multiply
    10,982.68x = 16,476.57 × 3,191.26
  4. Step 4: Simplify right side
    10,982.68x = 52,581,018.78
  5. Step 5: Solve for x
    x = 52,581,018.78/10,982.68
  6. Step 6: Final answer
    x = 4,787.63

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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.