Home / 12,493.26-18,739.35-6,943.09

Finding the Fourth Proportional to 12,493.26, 18,739.35 and 6,943.09

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Solution

The fourth proportional to 12,493.26, 18,739.35 and 6,943.09 is: 10,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.26 : 18,739.35 = 6,943.09 : x
  2. Step 2: Convert to fraction form
    12,493.26/18,739.35 = 6,943.09/x
  3. Step 3: Cross multiply
    12,493.26x = 18,739.35 × 6,943.09
  4. Step 4: Simplify right side
    12,493.26x = 130,108,993.59
  5. Step 5: Solve for x
    x = 130,108,993.59/12,493.26
  6. Step 6: Final answer
    x = 10,414.34

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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.