Home / 12,022.38-18,033.83-4,124.86

Finding the Fourth Proportional to 12,022.38, 18,033.83 and 4,124.86

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Solution

The fourth proportional to 12,022.38, 18,033.83 and 4,124.86 is: 6,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.38 : 18,033.83 = 4,124.86 : x
  2. Step 2: Convert to fraction form
    12,022.38/18,033.83 = 4,124.86/x
  3. Step 3: Cross multiply
    12,022.38x = 18,033.83 × 4,124.86
  4. Step 4: Simplify right side
    12,022.38x = 74,387,024.01
  5. Step 5: Solve for x
    x = 74,387,024.01/12,022.38
  6. Step 6: Final answer
    x = 6,187.38

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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.