Home / 12,015.69-18,022.86-3,249.95

Finding the Fourth Proportional to 12,015.69, 18,022.86 and 3,249.95

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Solution

The fourth proportional to 12,015.69, 18,022.86 and 3,249.95 is: 4,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.69 : 18,022.86 = 3,249.95 : x
  2. Step 2: Convert to fraction form
    12,015.69/18,022.86 = 3,249.95/x
  3. Step 3: Cross multiply
    12,015.69x = 18,022.86 × 3,249.95
  4. Step 4: Simplify right side
    12,015.69x = 58,573,303.74
  5. Step 5: Solve for x
    x = 58,573,303.74/12,015.69
  6. Step 6: Final answer
    x = 4,874.73

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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.