Home / 11,137.24-16,709.06-5,285.80

Finding the Fourth Proportional to 11,137.24, 16,709.06 and 5,285.80

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Solution

The fourth proportional to 11,137.24, 16,709.06 and 5,285.80 is: 7,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.24 : 16,709.06 = 5,285.80 : x
  2. Step 2: Convert to fraction form
    11,137.24/16,709.06 = 5,285.80/x
  3. Step 3: Cross multiply
    11,137.24x = 16,709.06 × 5,285.80
  4. Step 4: Simplify right side
    11,137.24x = 88,320,749.35
  5. Step 5: Solve for x
    x = 88,320,749.35/11,137.24
  6. Step 6: Final answer
    x = 7,930.22

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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.