Home / 11,141.62-16,710.27-4,120.54

Finding the Fourth Proportional to 11,141.62, 16,710.27 and 4,120.54

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Solution

The fourth proportional to 11,141.62, 16,710.27 and 4,120.54 is: 6,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.62 : 16,710.27 = 4,120.54 : x
  2. Step 2: Convert to fraction form
    11,141.62/16,710.27 = 4,120.54/x
  3. Step 3: Cross multiply
    11,141.62x = 16,710.27 × 4,120.54
  4. Step 4: Simplify right side
    11,141.62x = 68,855,335.95
  5. Step 5: Solve for x
    x = 68,855,335.95/11,141.62
  6. Step 6: Final answer
    x = 6,180.01

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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.