Home / 11,231.80-16,826.64-9,394.72

Finding the Fourth Proportional to 11,231.80, 16,826.64 and 9,394.72

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Solution

The fourth proportional to 11,231.80, 16,826.64 and 9,394.72 is: 14,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.80 : 16,826.64 = 9,394.72 : x
  2. Step 2: Convert to fraction form
    11,231.80/16,826.64 = 9,394.72/x
  3. Step 3: Cross multiply
    11,231.80x = 16,826.64 × 9,394.72
  4. Step 4: Simplify right side
    11,231.80x = 158,081,571.34
  5. Step 5: Solve for x
    x = 158,081,571.34/11,231.80
  6. Step 6: Final answer
    x = 14,074.46

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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.