Home / 11,399.58-15,736.23-6,924.78

Finding the Fourth Proportional to 11,399.58, 15,736.23 and 6,924.78

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Solution

The fourth proportional to 11,399.58, 15,736.23 and 6,924.78 is: 9,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.58 : 15,736.23 = 6,924.78 : x
  2. Step 2: Convert to fraction form
    11,399.58/15,736.23 = 6,924.78/x
  3. Step 3: Cross multiply
    11,399.58x = 15,736.23 × 6,924.78
  4. Step 4: Simplify right side
    11,399.58x = 108,969,930.78
  5. Step 5: Solve for x
    x = 108,969,930.78/11,399.58
  6. Step 6: Final answer
    x = 9,559.12

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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.