Home / 12,002.85-18,004.77-3,682.92

Finding the Fourth Proportional to 12,002.85, 18,004.77 and 3,682.92

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Solution

The fourth proportional to 12,002.85, 18,004.77 and 3,682.92 is: 5,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.85 : 18,004.77 = 3,682.92 : x
  2. Step 2: Convert to fraction form
    12,002.85/18,004.77 = 3,682.92/x
  3. Step 3: Cross multiply
    12,002.85x = 18,004.77 × 3,682.92
  4. Step 4: Simplify right side
    12,002.85x = 66,310,127.53
  5. Step 5: Solve for x
    x = 66,310,127.53/12,002.85
  6. Step 6: Final answer
    x = 5,524.53

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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.