Home / 8,141.26-12,201.11-4,192.36

Finding the Fourth Proportional to 8,141.26, 12,201.11 and 4,192.36

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Solution

The fourth proportional to 8,141.26, 12,201.11 and 4,192.36 is: 6,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.26 : 12,201.11 = 4,192.36 : x
  2. Step 2: Convert to fraction form
    8,141.26/12,201.11 = 4,192.36/x
  3. Step 3: Cross multiply
    8,141.26x = 12,201.11 × 4,192.36
  4. Step 4: Simplify right side
    8,141.26x = 51,151,445.52
  5. Step 5: Solve for x
    x = 51,151,445.52/8,141.26
  6. Step 6: Final answer
    x = 6,282.99

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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.