Home / 10,857.20-16,285.92-3,461.60

Finding the Fourth Proportional to 10,857.20, 16,285.92 and 3,461.60

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Solution

The fourth proportional to 10,857.20, 16,285.92 and 3,461.60 is: 5,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.20 : 16,285.92 = 3,461.60 : x
  2. Step 2: Convert to fraction form
    10,857.20/16,285.92 = 3,461.60/x
  3. Step 3: Cross multiply
    10,857.20x = 16,285.92 × 3,461.60
  4. Step 4: Simplify right side
    10,857.20x = 56,375,340.67
  5. Step 5: Solve for x
    x = 56,375,340.67/10,857.20
  6. Step 6: Final answer
    x = 5,192.44

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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.