Home / 11,111.28-16,660.44-4,182

Finding the Fourth Proportional to 11,111.28, 16,660.44 and 4,182

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Solution

The fourth proportional to 11,111.28, 16,660.44 and 4,182 is: 6,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.28 : 16,660.44 = 4,182 : x
  2. Step 2: Convert to fraction form
    11,111.28/16,660.44 = 4,182/x
  3. Step 3: Cross multiply
    11,111.28x = 16,660.44 × 4,182
  4. Step 4: Simplify right side
    11,111.28x = 69,673,960.08
  5. Step 5: Solve for x
    x = 69,673,960.08/11,111.28
  6. Step 6: Final answer
    x = 6,270.56

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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.