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Finding the Fourth Proportional to 16,650.60, 25,000.20 and 6,809.10

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Solution

The fourth proportional to 16,650.60, 25,000.20 and 6,809.10 is: 10,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.60 : 25,000.20 = 6,809.10 : x
  2. Step 2: Convert to fraction form
    16,650.60/25,000.20 = 6,809.10/x
  3. Step 3: Cross multiply
    16,650.60x = 25,000.20 × 6,809.10
  4. Step 4: Simplify right side
    16,650.60x = 170,228,861.82
  5. Step 5: Solve for x
    x = 170,228,861.82/16,650.60
  6. Step 6: Final answer
    x = 10,223.59

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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.