Home / 19,704.42-27,195.60-11,747.15

Finding the Fourth Proportional to 19,704.42, 27,195.60 and 11,747.15

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Solution

The fourth proportional to 19,704.42, 27,195.60 and 11,747.15 is: 16,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.42 : 27,195.60 = 11,747.15 : x
  2. Step 2: Convert to fraction form
    19,704.42/27,195.60 = 11,747.15/x
  3. Step 3: Cross multiply
    19,704.42x = 27,195.60 × 11,747.15
  4. Step 4: Simplify right side
    19,704.42x = 319,470,656.56
  5. Step 5: Solve for x
    x = 319,470,656.56/19,704.42
  6. Step 6: Final answer
    x = 16,213.15

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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.