Home / 17,319.80-25,979.70-10,724.60

Finding the Fourth Proportional to 17,319.80, 25,979.70 and 10,724.60

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Solution

The fourth proportional to 17,319.80, 25,979.70 and 10,724.60 is: 16,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.80 : 25,979.70 = 10,724.60 : x
  2. Step 2: Convert to fraction form
    17,319.80/25,979.70 = 10,724.60/x
  3. Step 3: Cross multiply
    17,319.80x = 25,979.70 × 10,724.60
  4. Step 4: Simplify right side
    17,319.80x = 278,621,890.62
  5. Step 5: Solve for x
    x = 278,621,890.62/17,319.80
  6. Step 6: Final answer
    x = 16,086.90

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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.