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Finding the Fourth Proportional to 17,000.97, 25,505.78 and 9,986.92

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Solution

The fourth proportional to 17,000.97, 25,505.78 and 9,986.92 is: 14,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.97 : 25,505.78 = 9,986.92 : x
  2. Step 2: Convert to fraction form
    17,000.97/25,505.78 = 9,986.92/x
  3. Step 3: Cross multiply
    17,000.97x = 25,505.78 × 9,986.92
  4. Step 4: Simplify right side
    17,000.97x = 254,724,056.87
  5. Step 5: Solve for x
    x = 254,724,056.87/17,000.97
  6. Step 6: Final answer
    x = 14,982.91

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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.