Home / 11,528.44-17,289.09-7,579.48

Finding the Fourth Proportional to 11,528.44, 17,289.09 and 7,579.48

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Solution

The fourth proportional to 11,528.44, 17,289.09 and 7,579.48 is: 11,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.44 : 17,289.09 = 7,579.48 : x
  2. Step 2: Convert to fraction form
    11,528.44/17,289.09 = 7,579.48/x
  3. Step 3: Cross multiply
    11,528.44x = 17,289.09 × 7,579.48
  4. Step 4: Simplify right side
    11,528.44x = 131,042,311.87
  5. Step 5: Solve for x
    x = 131,042,311.87/11,528.44
  6. Step 6: Final answer
    x = 11,366.87

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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.