Home / 12,021.53-16,589.68-6,716.35

Finding the Fourth Proportional to 12,021.53, 16,589.68 and 6,716.35

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Solution

The fourth proportional to 12,021.53, 16,589.68 and 6,716.35 is: 9,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.53 : 16,589.68 = 6,716.35 : x
  2. Step 2: Convert to fraction form
    12,021.53/16,589.68 = 6,716.35/x
  3. Step 3: Cross multiply
    12,021.53x = 16,589.68 × 6,716.35
  4. Step 4: Simplify right side
    12,021.53x = 111,422,059.56
  5. Step 5: Solve for x
    x = 111,422,059.56/12,021.53
  6. Step 6: Final answer
    x = 9,268.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.