Home / 11,519.72-17,279.58-3,728.53

Finding the Fourth Proportional to 11,519.72, 17,279.58 and 3,728.53

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Solution

The fourth proportional to 11,519.72, 17,279.58 and 3,728.53 is: 5,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.72 : 17,279.58 = 3,728.53 : x
  2. Step 2: Convert to fraction form
    11,519.72/17,279.58 = 3,728.53/x
  3. Step 3: Cross multiply
    11,519.72x = 17,279.58 × 3,728.53
  4. Step 4: Simplify right side
    11,519.72x = 64,427,447.03
  5. Step 5: Solve for x
    x = 64,427,447.03/11,519.72
  6. Step 6: Final answer
    x = 5,592.80

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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.