Home / 12,673.26-19,009.62-3,439.26

Finding the Fourth Proportional to 12,673.26, 19,009.62 and 3,439.26

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Solution

The fourth proportional to 12,673.26, 19,009.62 and 3,439.26 is: 5,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.26 : 19,009.62 = 3,439.26 : x
  2. Step 2: Convert to fraction form
    12,673.26/19,009.62 = 3,439.26/x
  3. Step 3: Cross multiply
    12,673.26x = 19,009.62 × 3,439.26
  4. Step 4: Simplify right side
    12,673.26x = 65,379,025.68
  5. Step 5: Solve for x
    x = 65,379,025.68/12,673.26
  6. Step 6: Final answer
    x = 5,158.82

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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.