Home / 16,814.85-25,209.20-10,879.20

Finding the Fourth Proportional to 16,814.85, 25,209.20 and 10,879.20

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Solution

The fourth proportional to 16,814.85, 25,209.20 and 10,879.20 is: 16,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.85 : 25,209.20 = 10,879.20 : x
  2. Step 2: Convert to fraction form
    16,814.85/25,209.20 = 10,879.20/x
  3. Step 3: Cross multiply
    16,814.85x = 25,209.20 × 10,879.20
  4. Step 4: Simplify right side
    16,814.85x = 274,255,889.79
  5. Step 5: Solve for x
    x = 274,255,889.79/16,814.85
  6. Step 6: Final answer
    x = 16,310.33

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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.