Home / 12,949.26-19,427.96-4,629.09

Finding the Fourth Proportional to 12,949.26, 19,427.96 and 4,629.09

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Solution

The fourth proportional to 12,949.26, 19,427.96 and 4,629.09 is: 6,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.26 : 19,427.96 = 4,629.09 : x
  2. Step 2: Convert to fraction form
    12,949.26/19,427.96 = 4,629.09/x
  3. Step 3: Cross multiply
    12,949.26x = 19,427.96 × 4,629.09
  4. Step 4: Simplify right side
    12,949.26x = 89,933,775.36
  5. Step 5: Solve for x
    x = 89,933,775.36/12,949.26
  6. Step 6: Final answer
    x = 6,945.09

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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.