Home / 19,469.36-29,194.68-13,628.72

Finding the Fourth Proportional to 19,469.36, 29,194.68 and 13,628.72

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Solution

The fourth proportional to 19,469.36, 29,194.68 and 13,628.72 is: 20,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.36 : 29,194.68 = 13,628.72 : x
  2. Step 2: Convert to fraction form
    19,469.36/29,194.68 = 13,628.72/x
  3. Step 3: Cross multiply
    19,469.36x = 29,194.68 × 13,628.72
  4. Step 4: Simplify right side
    19,469.36x = 397,886,119.21
  5. Step 5: Solve for x
    x = 397,886,119.21/19,469.36
  6. Step 6: Final answer
    x = 20,436.53

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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.