Home / 13,216.43-19,824.38-3,221.24

Finding the Fourth Proportional to 13,216.43, 19,824.38 and 3,221.24

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Solution

The fourth proportional to 13,216.43, 19,824.38 and 3,221.24 is: 4,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.43 : 19,824.38 = 3,221.24 : x
  2. Step 2: Convert to fraction form
    13,216.43/19,824.38 = 3,221.24/x
  3. Step 3: Cross multiply
    13,216.43x = 19,824.38 × 3,221.24
  4. Step 4: Simplify right side
    13,216.43x = 63,858,970.60
  5. Step 5: Solve for x
    x = 63,858,970.60/13,216.43
  6. Step 6: Final answer
    x = 4,831.79

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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.