Home / 12,525.54-18,758.49-7,249.43

Finding the Fourth Proportional to 12,525.54, 18,758.49 and 7,249.43

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Solution

The fourth proportional to 12,525.54, 18,758.49 and 7,249.43 is: 10,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.54 : 18,758.49 = 7,249.43 : x
  2. Step 2: Convert to fraction form
    12,525.54/18,758.49 = 7,249.43/x
  3. Step 3: Cross multiply
    12,525.54x = 18,758.49 × 7,249.43
  4. Step 4: Simplify right side
    12,525.54x = 135,988,360.16
  5. Step 5: Solve for x
    x = 135,988,360.16/12,525.54
  6. Step 6: Final answer
    x = 10,856.89

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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.