Home / 11,238.20-15,511.80-6,524

Finding the Fourth Proportional to 11,238.20, 15,511.80 and 6,524

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Solution

The fourth proportional to 11,238.20, 15,511.80 and 6,524 is: 9,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.20 : 15,511.80 = 6,524 : x
  2. Step 2: Convert to fraction form
    11,238.20/15,511.80 = 6,524/x
  3. Step 3: Cross multiply
    11,238.20x = 15,511.80 × 6,524
  4. Step 4: Simplify right side
    11,238.20x = 101,198,983.20
  5. Step 5: Solve for x
    x = 101,198,983.20/11,238.20
  6. Step 6: Final answer
    x = 9,004.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.