Home / 11,377.16-15,704.76-6,662.96

Finding the Fourth Proportional to 11,377.16, 15,704.76 and 6,662.96

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Solution

The fourth proportional to 11,377.16, 15,704.76 and 6,662.96 is: 9,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.16 : 15,704.76 = 6,662.96 : x
  2. Step 2: Convert to fraction form
    11,377.16/15,704.76 = 6,662.96/x
  3. Step 3: Cross multiply
    11,377.16x = 15,704.76 × 6,662.96
  4. Step 4: Simplify right side
    11,377.16x = 104,640,187.69
  5. Step 5: Solve for x
    x = 104,640,187.69/11,377.16
  6. Step 6: Final answer
    x = 9,197.39

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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.