Home / 11,442.20-17,192.10-7,284.20

Finding the Fourth Proportional to 11,442.20, 17,192.10 and 7,284.20

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Solution

The fourth proportional to 11,442.20, 17,192.10 and 7,284.20 is: 10,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.20 : 17,192.10 = 7,284.20 : x
  2. Step 2: Convert to fraction form
    11,442.20/17,192.10 = 7,284.20/x
  3. Step 3: Cross multiply
    11,442.20x = 17,192.10 × 7,284.20
  4. Step 4: Simplify right side
    11,442.20x = 125,230,694.82
  5. Step 5: Solve for x
    x = 125,230,694.82/11,442.20
  6. Step 6: Final answer
    x = 10,944.63

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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.