Home / 12,684.32-19,027.56-3,324.30

Finding the Fourth Proportional to 12,684.32, 19,027.56 and 3,324.30

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Solution

The fourth proportional to 12,684.32, 19,027.56 and 3,324.30 is: 4,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.32 : 19,027.56 = 3,324.30 : x
  2. Step 2: Convert to fraction form
    12,684.32/19,027.56 = 3,324.30/x
  3. Step 3: Cross multiply
    12,684.32x = 19,027.56 × 3,324.30
  4. Step 4: Simplify right side
    12,684.32x = 63,253,317.71
  5. Step 5: Solve for x
    x = 63,253,317.71/12,684.32
  6. Step 6: Final answer
    x = 4,986.73

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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.