Home / 11,213.53-16,804.43-6,218.11

Finding the Fourth Proportional to 11,213.53, 16,804.43 and 6,218.11

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Solution

The fourth proportional to 11,213.53, 16,804.43 and 6,218.11 is: 9,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.53 : 16,804.43 = 6,218.11 : x
  2. Step 2: Convert to fraction form
    11,213.53/16,804.43 = 6,218.11/x
  3. Step 3: Cross multiply
    11,213.53x = 16,804.43 × 6,218.11
  4. Step 4: Simplify right side
    11,213.53x = 104,491,747.91
  5. Step 5: Solve for x
    x = 104,491,747.91/11,213.53
  6. Step 6: Final answer
    x = 9,318.37

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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.