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Finding the Fourth Proportional to 17,195.07, 25,790.32 and 7,824.99

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Solution

The fourth proportional to 17,195.07, 25,790.32 and 7,824.99 is: 11,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.07 : 25,790.32 = 7,824.99 : x
  2. Step 2: Convert to fraction form
    17,195.07/25,790.32 = 7,824.99/x
  3. Step 3: Cross multiply
    17,195.07x = 25,790.32 × 7,824.99
  4. Step 4: Simplify right side
    17,195.07x = 201,808,976.53
  5. Step 5: Solve for x
    x = 201,808,976.53/17,195.07
  6. Step 6: Final answer
    x = 11,736.44

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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.