Home / 17,285.26-25,930.41-8,520.70

Finding the Fourth Proportional to 17,285.26, 25,930.41 and 8,520.70

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Solution

The fourth proportional to 17,285.26, 25,930.41 and 8,520.70 is: 12,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.26 : 25,930.41 = 8,520.70 : x
  2. Step 2: Convert to fraction form
    17,285.26/25,930.41 = 8,520.70/x
  3. Step 3: Cross multiply
    17,285.26x = 25,930.41 × 8,520.70
  4. Step 4: Simplify right side
    17,285.26x = 220,945,244.49
  5. Step 5: Solve for x
    x = 220,945,244.49/17,285.26
  6. Step 6: Final answer
    x = 12,782.29

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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.