Home / 20,174.43-27,841.01-12,217.40

Finding the Fourth Proportional to 20,174.43, 27,841.01 and 12,217.40

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Solution

The fourth proportional to 20,174.43, 27,841.01 and 12,217.40 is: 16,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.43 : 27,841.01 = 12,217.40 : x
  2. Step 2: Convert to fraction form
    20,174.43/27,841.01 = 12,217.40/x
  3. Step 3: Cross multiply
    20,174.43x = 27,841.01 × 12,217.40
  4. Step 4: Simplify right side
    20,174.43x = 340,144,755.57
  5. Step 5: Solve for x
    x = 340,144,755.57/20,174.43
  6. Step 6: Final answer
    x = 16,860.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.