Home / 19,629.33-29,436.09-7,146.42

Finding the Fourth Proportional to 19,629.33, 29,436.09 and 7,146.42

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Solution

The fourth proportional to 19,629.33, 29,436.09 and 7,146.42 is: 10,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.33 : 29,436.09 = 7,146.42 : x
  2. Step 2: Convert to fraction form
    19,629.33/29,436.09 = 7,146.42/x
  3. Step 3: Cross multiply
    19,629.33x = 29,436.09 × 7,146.42
  4. Step 4: Simplify right side
    19,629.33x = 210,362,662.30
  5. Step 5: Solve for x
    x = 210,362,662.30/19,629.33
  6. Step 6: Final answer
    x = 10,716.75

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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.