Home / 11,671.36-16,093.70-7,887.97

Finding the Fourth Proportional to 11,671.36, 16,093.70 and 7,887.97

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Solution

The fourth proportional to 11,671.36, 16,093.70 and 7,887.97 is: 10,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.36 : 16,093.70 = 7,887.97 : x
  2. Step 2: Convert to fraction form
    11,671.36/16,093.70 = 7,887.97/x
  3. Step 3: Cross multiply
    11,671.36x = 16,093.70 × 7,887.97
  4. Step 4: Simplify right side
    11,671.36x = 126,946,586.89
  5. Step 5: Solve for x
    x = 126,946,586.89/11,671.36
  6. Step 6: Final answer
    x = 10,876.76

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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.