Home / 11,749.14-16,213.77-7,272

Finding the Fourth Proportional to 11,749.14, 16,213.77 and 7,272

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Solution

The fourth proportional to 11,749.14, 16,213.77 and 7,272 is: 10,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.14 : 16,213.77 = 7,272 : x
  2. Step 2: Convert to fraction form
    11,749.14/16,213.77 = 7,272/x
  3. Step 3: Cross multiply
    11,749.14x = 16,213.77 × 7,272
  4. Step 4: Simplify right side
    11,749.14x = 117,906,535.44
  5. Step 5: Solve for x
    x = 117,906,535.44/11,749.14
  6. Step 6: Final answer
    x = 10,035.33

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1.5x scale

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.