Home / 11,147.43-16,721.17-2,827.45

Finding the Fourth Proportional to 11,147.43, 16,721.17 and 2,827.45

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Solution

The fourth proportional to 11,147.43, 16,721.17 and 2,827.45 is: 4,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.43 : 16,721.17 = 2,827.45 : x
  2. Step 2: Convert to fraction form
    11,147.43/16,721.17 = 2,827.45/x
  3. Step 3: Cross multiply
    11,147.43x = 16,721.17 × 2,827.45
  4. Step 4: Simplify right side
    11,147.43x = 47,278,223.24
  5. Step 5: Solve for x
    x = 47,278,223.24/11,147.43
  6. Step 6: Final answer
    x = 4,241.18

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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.