Home / 12,525.66-18,758.67-7,249.56

Finding the Fourth Proportional to 12,525.66, 18,758.67 and 7,249.56

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Solution

The fourth proportional to 12,525.66, 18,758.67 and 7,249.56 is: 10,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.66 : 18,758.67 = 7,249.56 : x
  2. Step 2: Convert to fraction form
    12,525.66/18,758.67 = 7,249.56/x
  3. Step 3: Cross multiply
    12,525.66x = 18,758.67 × 7,249.56
  4. Step 4: Simplify right side
    12,525.66x = 135,992,103.69
  5. Step 5: Solve for x
    x = 135,992,103.69/12,525.66
  6. Step 6: Final answer
    x = 10,857.08

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1.5x scale

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.