Home / 11,440.62-17,180.01-7,716.39

Finding the Fourth Proportional to 11,440.62, 17,180.01 and 7,716.39

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Solution

The fourth proportional to 11,440.62, 17,180.01 and 7,716.39 is: 11,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.62 : 17,180.01 = 7,716.39 : x
  2. Step 2: Convert to fraction form
    11,440.62/17,180.01 = 7,716.39/x
  3. Step 3: Cross multiply
    11,440.62x = 17,180.01 × 7,716.39
  4. Step 4: Simplify right side
    11,440.62x = 132,567,657.36
  5. Step 5: Solve for x
    x = 132,567,657.36/11,440.62
  6. Step 6: Final answer
    x = 11,587.45

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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.