Home / 11,168.64-16,747.56-7,902.72

Finding the Fourth Proportional to 11,168.64, 16,747.56 and 7,902.72

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Solution

The fourth proportional to 11,168.64, 16,747.56 and 7,902.72 is: 11,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.64 : 16,747.56 = 7,902.72 : x
  2. Step 2: Convert to fraction form
    11,168.64/16,747.56 = 7,902.72/x
  3. Step 3: Cross multiply
    11,168.64x = 16,747.56 × 7,902.72
  4. Step 4: Simplify right side
    11,168.64x = 132,351,277.36
  5. Step 5: Solve for x
    x = 132,351,277.36/11,168.64
  6. Step 6: Final answer
    x = 11,850.26

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1.5x scale

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.