Home / 13,081.59-19,622.39-3,221.06

Finding the Fourth Proportional to 13,081.59, 19,622.39 and 3,221.06

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Solution

The fourth proportional to 13,081.59, 19,622.39 and 3,221.06 is: 4,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.59 : 19,622.39 = 3,221.06 : x
  2. Step 2: Convert to fraction form
    13,081.59/19,622.39 = 3,221.06/x
  3. Step 3: Cross multiply
    13,081.59x = 19,622.39 × 3,221.06
  4. Step 4: Simplify right side
    13,081.59x = 63,204,781.32
  5. Step 5: Solve for x
    x = 63,204,781.32/13,081.59
  6. Step 6: Final answer
    x = 4,831.58

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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.