Home / 11,519.24-15,895.08-7,268.68

Finding the Fourth Proportional to 11,519.24, 15,895.08 and 7,268.68

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Solution

The fourth proportional to 11,519.24, 15,895.08 and 7,268.68 is: 10,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.24 : 15,895.08 = 7,268.68 : x
  2. Step 2: Convert to fraction form
    11,519.24/15,895.08 = 7,268.68/x
  3. Step 3: Cross multiply
    11,519.24x = 15,895.08 × 7,268.68
  4. Step 4: Simplify right side
    11,519.24x = 115,536,250.09
  5. Step 5: Solve for x
    x = 115,536,250.09/11,519.24
  6. Step 6: Final answer
    x = 10,029.85

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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.