Home / 12,021.24-18,033.30-4,230.84

Finding the Fourth Proportional to 12,021.24, 18,033.30 and 4,230.84

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Solution

The fourth proportional to 12,021.24, 18,033.30 and 4,230.84 is: 6,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.24 : 18,033.30 = 4,230.84 : x
  2. Step 2: Convert to fraction form
    12,021.24/18,033.30 = 4,230.84/x
  3. Step 3: Cross multiply
    12,021.24x = 18,033.30 × 4,230.84
  4. Step 4: Simplify right side
    12,021.24x = 76,296,006.97
  5. Step 5: Solve for x
    x = 76,296,006.97/12,021.24
  6. Step 6: Final answer
    x = 6,346.77

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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.