Home / 20,846.22-28,768.50-11,414.76

Finding the Fourth Proportional to 20,846.22, 28,768.50 and 11,414.76

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Solution

The fourth proportional to 20,846.22, 28,768.50 and 11,414.76 is: 15,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.22 : 28,768.50 = 11,414.76 : x
  2. Step 2: Convert to fraction form
    20,846.22/28,768.50 = 11,414.76/x
  3. Step 3: Cross multiply
    20,846.22x = 28,768.50 × 11,414.76
  4. Step 4: Simplify right side
    20,846.22x = 328,385,523.06
  5. Step 5: Solve for x
    x = 328,385,523.06/20,846.22
  6. Step 6: Final answer
    x = 15,752.76

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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.