Home / 12,083.28-18,122.04-3,317.52

Finding the Fourth Proportional to 12,083.28, 18,122.04 and 3,317.52

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Solution

The fourth proportional to 12,083.28, 18,122.04 and 3,317.52 is: 4,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.28 : 18,122.04 = 3,317.52 : x
  2. Step 2: Convert to fraction form
    12,083.28/18,122.04 = 3,317.52/x
  3. Step 3: Cross multiply
    12,083.28x = 18,122.04 × 3,317.52
  4. Step 4: Simplify right side
    12,083.28x = 60,120,230.14
  5. Step 5: Solve for x
    x = 60,120,230.14/12,083.28
  6. Step 6: Final answer
    x = 4,975.49

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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.