Home / 12,270.03-18,403.26-3,948.94

Finding the Fourth Proportional to 12,270.03, 18,403.26 and 3,948.94

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Solution

The fourth proportional to 12,270.03, 18,403.26 and 3,948.94 is: 5,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.03 : 18,403.26 = 3,948.94 : x
  2. Step 2: Convert to fraction form
    12,270.03/18,403.26 = 3,948.94/x
  3. Step 3: Cross multiply
    12,270.03x = 18,403.26 × 3,948.94
  4. Step 4: Simplify right side
    12,270.03x = 72,673,369.54
  5. Step 5: Solve for x
    x = 72,673,369.54/12,270.03
  6. Step 6: Final answer
    x = 5,922.84

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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.