Home / 12,028.68-18,029.16-4,629.42

Finding the Fourth Proportional to 12,028.68, 18,029.16 and 4,629.42

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Solution

The fourth proportional to 12,028.68, 18,029.16 and 4,629.42 is: 6,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.68 : 18,029.16 = 4,629.42 : x
  2. Step 2: Convert to fraction form
    12,028.68/18,029.16 = 4,629.42/x
  3. Step 3: Cross multiply
    12,028.68x = 18,029.16 × 4,629.42
  4. Step 4: Simplify right side
    12,028.68x = 83,464,553.89
  5. Step 5: Solve for x
    x = 83,464,553.89/12,028.68
  6. Step 6: Final answer
    x = 6,938.80

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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.