Home / 10,943.42-16,381.17-8,845.92

Finding the Fourth Proportional to 10,943.42, 16,381.17 and 8,845.92

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Solution

The fourth proportional to 10,943.42, 16,381.17 and 8,845.92 is: 13,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.42 : 16,381.17 = 8,845.92 : x
  2. Step 2: Convert to fraction form
    10,943.42/16,381.17 = 8,845.92/x
  3. Step 3: Cross multiply
    10,943.42x = 16,381.17 × 8,845.92
  4. Step 4: Simplify right side
    10,943.42x = 144,906,519.33
  5. Step 5: Solve for x
    x = 144,906,519.33/10,943.42
  6. Step 6: Final answer
    x = 13,241.44

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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.