Home / 9,163.08-13,745.64-2,921.64

Finding the Fourth Proportional to 9,163.08, 13,745.64 and 2,921.64

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Solution

The fourth proportional to 9,163.08, 13,745.64 and 2,921.64 is: 4,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.08 : 13,745.64 = 2,921.64 : x
  2. Step 2: Convert to fraction form
    9,163.08/13,745.64 = 2,921.64/x
  3. Step 3: Cross multiply
    9,163.08x = 13,745.64 × 2,921.64
  4. Step 4: Simplify right side
    9,163.08x = 40,159,811.65
  5. Step 5: Solve for x
    x = 40,159,811.65/9,163.08
  6. Step 6: Final answer
    x = 4,382.79

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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.