Home / 12,022.08-18,029.88-4,226.64

Finding the Fourth Proportional to 12,022.08, 18,029.88 and 4,226.64

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Solution

The fourth proportional to 12,022.08, 18,029.88 and 4,226.64 is: 6,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.08 : 18,029.88 = 4,226.64 : x
  2. Step 2: Convert to fraction form
    12,022.08/18,029.88 = 4,226.64/x
  3. Step 3: Cross multiply
    12,022.08x = 18,029.88 × 4,226.64
  4. Step 4: Simplify right side
    12,022.08x = 76,205,812.00
  5. Step 5: Solve for x
    x = 76,205,812.00/12,022.08
  6. Step 6: Final answer
    x = 6,338.82

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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.