Home / 17,004.30-25,469.52-8,220.78

Finding the Fourth Proportional to 17,004.30, 25,469.52 and 8,220.78

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Solution

The fourth proportional to 17,004.30, 25,469.52 and 8,220.78 is: 12,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,004.30 : 25,469.52 = 8,220.78 : x
  2. Step 2: Convert to fraction form
    17,004.30/25,469.52 = 8,220.78/x
  3. Step 3: Cross multiply
    17,004.30x = 25,469.52 × 8,220.78
  4. Step 4: Simplify right side
    17,004.30x = 209,379,320.63
  5. Step 5: Solve for x
    x = 209,379,320.63/17,004.30
  6. Step 6: Final answer
    x = 12,313.32

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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.