Home / 11,268.18-16,890.53-4,243.37

Finding the Fourth Proportional to 11,268.18, 16,890.53 and 4,243.37

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Solution

The fourth proportional to 11,268.18, 16,890.53 and 4,243.37 is: 6,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.18 : 16,890.53 = 4,243.37 : x
  2. Step 2: Convert to fraction form
    11,268.18/16,890.53 = 4,243.37/x
  3. Step 3: Cross multiply
    11,268.18x = 16,890.53 × 4,243.37
  4. Step 4: Simplify right side
    11,268.18x = 71,672,662.62
  5. Step 5: Solve for x
    x = 71,672,662.62/11,268.18
  6. Step 6: Final answer
    x = 6,360.62

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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.