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Finding the Fourth Proportional to 17,196.60, 25,777.44 and 7,843.08

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Solution

The fourth proportional to 17,196.60, 25,777.44 and 7,843.08 is: 11,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,196.60 : 25,777.44 = 7,843.08 : x
  2. Step 2: Convert to fraction form
    17,196.60/25,777.44 = 7,843.08/x
  3. Step 3: Cross multiply
    17,196.60x = 25,777.44 × 7,843.08
  4. Step 4: Simplify right side
    17,196.60x = 202,174,524.12
  5. Step 5: Solve for x
    x = 202,174,524.12/17,196.60
  6. Step 6: Final answer
    x = 11,756.66

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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.