Home / 11,309.19-16,961.19-4,289.97

Finding the Fourth Proportional to 11,309.19, 16,961.19 and 4,289.97

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Solution

The fourth proportional to 11,309.19, 16,961.19 and 4,289.97 is: 6,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.19 : 16,961.19 = 4,289.97 : x
  2. Step 2: Convert to fraction form
    11,309.19/16,961.19 = 4,289.97/x
  3. Step 3: Cross multiply
    11,309.19x = 16,961.19 × 4,289.97
  4. Step 4: Simplify right side
    11,309.19x = 72,762,996.26
  5. Step 5: Solve for x
    x = 72,762,996.26/11,309.19
  6. Step 6: Final answer
    x = 6,433.97

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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.