Home / 11,288.74-16,945.20-9,554.94

Finding the Fourth Proportional to 11,288.74, 16,945.20 and 9,554.94

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Solution

The fourth proportional to 11,288.74, 16,945.20 and 9,554.94 is: 14,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.74 : 16,945.20 = 9,554.94 : x
  2. Step 2: Convert to fraction form
    11,288.74/16,945.20 = 9,554.94/x
  3. Step 3: Cross multiply
    11,288.74x = 16,945.20 × 9,554.94
  4. Step 4: Simplify right side
    11,288.74x = 161,910,369.29
  5. Step 5: Solve for x
    x = 161,910,369.29/11,288.74
  6. Step 6: Final answer
    x = 14,342.64

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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.