Home / 12,684.35-19,025.95-3,324.15

Finding the Fourth Proportional to 12,684.35, 19,025.95 and 3,324.15

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Solution

The fourth proportional to 12,684.35, 19,025.95 and 3,324.15 is: 4,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.35 : 19,025.95 = 3,324.15 : x
  2. Step 2: Convert to fraction form
    12,684.35/19,025.95 = 3,324.15/x
  3. Step 3: Cross multiply
    12,684.35x = 19,025.95 × 3,324.15
  4. Step 4: Simplify right side
    12,684.35x = 63,245,174.73
  5. Step 5: Solve for x
    x = 63,245,174.73/12,684.35
  6. Step 6: Final answer
    x = 4,986.08

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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.