Home / 11,115.28-16,675.48-3,324.88

Finding the Fourth Proportional to 11,115.28, 16,675.48 and 3,324.88

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Solution

The fourth proportional to 11,115.28, 16,675.48 and 3,324.88 is: 4,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.28 : 16,675.48 = 3,324.88 : x
  2. Step 2: Convert to fraction form
    11,115.28/16,675.48 = 3,324.88/x
  3. Step 3: Cross multiply
    11,115.28x = 16,675.48 × 3,324.88
  4. Step 4: Simplify right side
    11,115.28x = 55,443,969.94
  5. Step 5: Solve for x
    x = 55,443,969.94/11,115.28
  6. Step 6: Final answer
    x = 4,988.09

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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.