Home / 11,107.13-16,660.79-4,181.63

Finding the Fourth Proportional to 11,107.13, 16,660.79 and 4,181.63

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Solution

The fourth proportional to 11,107.13, 16,660.79 and 4,181.63 is: 6,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.13 : 16,660.79 = 4,181.63 : x
  2. Step 2: Convert to fraction form
    11,107.13/16,660.79 = 4,181.63/x
  3. Step 3: Cross multiply
    11,107.13x = 16,660.79 × 4,181.63
  4. Step 4: Simplify right side
    11,107.13x = 69,669,170.76
  5. Step 5: Solve for x
    x = 69,669,170.76/11,107.13
  6. Step 6: Final answer
    x = 6,272.48

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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.