Home / 11,326.83-15,629.11-6,850.36

Finding the Fourth Proportional to 11,326.83, 15,629.11 and 6,850.36

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Solution

The fourth proportional to 11,326.83, 15,629.11 and 6,850.36 is: 9,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.83 : 15,629.11 = 6,850.36 : x
  2. Step 2: Convert to fraction form
    11,326.83/15,629.11 = 6,850.36/x
  3. Step 3: Cross multiply
    11,326.83x = 15,629.11 × 6,850.36
  4. Step 4: Simplify right side
    11,326.83x = 107,065,029.98
  5. Step 5: Solve for x
    x = 107,065,029.98/11,326.83
  6. Step 6: Final answer
    x = 9,452.34

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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.