Home / 12,308.92-18,464.46-3,544.72

Finding the Fourth Proportional to 12,308.92, 18,464.46 and 3,544.72

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Solution

The fourth proportional to 12,308.92, 18,464.46 and 3,544.72 is: 5,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.92 : 18,464.46 = 3,544.72 : x
  2. Step 2: Convert to fraction form
    12,308.92/18,464.46 = 3,544.72/x
  3. Step 3: Cross multiply
    12,308.92x = 18,464.46 × 3,544.72
  4. Step 4: Simplify right side
    12,308.92x = 65,451,340.65
  5. Step 5: Solve for x
    x = 65,451,340.65/12,308.92
  6. Step 6: Final answer
    x = 5,317.39

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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.