Home / 16,515.53-22,791.23-8,961.80

Finding the Fourth Proportional to 16,515.53, 22,791.23 and 8,961.80

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Solution

The fourth proportional to 16,515.53, 22,791.23 and 8,961.80 is: 12,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.53 : 22,791.23 = 8,961.80 : x
  2. Step 2: Convert to fraction form
    16,515.53/22,791.23 = 8,961.80/x
  3. Step 3: Cross multiply
    16,515.53x = 22,791.23 × 8,961.80
  4. Step 4: Simplify right side
    16,515.53x = 204,250,445.01
  5. Step 5: Solve for x
    x = 204,250,445.01/16,515.53
  6. Step 6: Final answer
    x = 12,367.17

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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.