Home / 20,846.13-28,767.66-11,414.70

Finding the Fourth Proportional to 20,846.13, 28,767.66 and 11,414.70

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Solution

The fourth proportional to 20,846.13, 28,767.66 and 11,414.70 is: 15,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.13 : 28,767.66 = 11,414.70 : x
  2. Step 2: Convert to fraction form
    20,846.13/28,767.66 = 11,414.70/x
  3. Step 3: Cross multiply
    20,846.13x = 28,767.66 × 11,414.70
  4. Step 4: Simplify right side
    20,846.13x = 328,374,208.60
  5. Step 5: Solve for x
    x = 328,374,208.60/20,846.13
  6. Step 6: Final answer
    x = 15,752.29

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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.