Home / 11,388.20-17,081.34-6,442.28

Finding the Fourth Proportional to 11,388.20, 17,081.34 and 6,442.28

Calculator

Solution

The fourth proportional to 11,388.20, 17,081.34 and 6,442.28 is: 9,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.20 : 17,081.34 = 6,442.28 : x
  2. Step 2: Convert to fraction form
    11,388.20/17,081.34 = 6,442.28/x
  3. Step 3: Cross multiply
    11,388.20x = 17,081.34 × 6,442.28
  4. Step 4: Simplify right side
    11,388.20x = 110,042,775.06
  5. Step 5: Solve for x
    x = 110,042,775.06/11,388.20
  6. Step 6: Final answer
    x = 9,662.88

Related Problems

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.