Home / 12,150.03-18,217.51-4,745.79

Finding the Fourth Proportional to 12,150.03, 18,217.51 and 4,745.79

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Solution

The fourth proportional to 12,150.03, 18,217.51 and 4,745.79 is: 7,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.03 : 18,217.51 = 4,745.79 : x
  2. Step 2: Convert to fraction form
    12,150.03/18,217.51 = 4,745.79/x
  3. Step 3: Cross multiply
    12,150.03x = 18,217.51 × 4,745.79
  4. Step 4: Simplify right side
    12,150.03x = 86,456,464.92
  5. Step 5: Solve for x
    x = 86,456,464.92/12,150.03
  6. Step 6: Final answer
    x = 7,115.74

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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.