Home / 11,112.88-15,334.22-6,396.26

Finding the Fourth Proportional to 11,112.88, 15,334.22 and 6,396.26

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Solution

The fourth proportional to 11,112.88, 15,334.22 and 6,396.26 is: 8,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.88 : 15,334.22 = 6,396.26 : x
  2. Step 2: Convert to fraction form
    11,112.88/15,334.22 = 6,396.26/x
  3. Step 3: Cross multiply
    11,112.88x = 15,334.22 × 6,396.26
  4. Step 4: Simplify right side
    11,112.88x = 98,081,658.02
  5. Step 5: Solve for x
    x = 98,081,658.02/11,112.88
  6. Step 6: Final answer
    x = 8,825.94

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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.