Home / 16,879.80-25,319.70-11,004.60

Finding the Fourth Proportional to 16,879.80, 25,319.70 and 11,004.60

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Solution

The fourth proportional to 16,879.80, 25,319.70 and 11,004.60 is: 16,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.80 : 25,319.70 = 11,004.60 : x
  2. Step 2: Convert to fraction form
    16,879.80/25,319.70 = 11,004.60/x
  3. Step 3: Cross multiply
    16,879.80x = 25,319.70 × 11,004.60
  4. Step 4: Simplify right side
    16,879.80x = 278,633,170.62
  5. Step 5: Solve for x
    x = 278,633,170.62/16,879.80
  6. Step 6: Final answer
    x = 16,506.90

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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.