Home / 17,120.64-23,571.97-15,102.33

Finding the Fourth Proportional to 17,120.64, 23,571.97 and 15,102.33

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Solution

The fourth proportional to 17,120.64, 23,571.97 and 15,102.33 is: 20,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.64 : 23,571.97 = 15,102.33 : x
  2. Step 2: Convert to fraction form
    17,120.64/23,571.97 = 15,102.33/x
  3. Step 3: Cross multiply
    17,120.64x = 23,571.97 × 15,102.33
  4. Step 4: Simplify right side
    17,120.64x = 355,991,669.69
  5. Step 5: Solve for x
    x = 355,991,669.69/17,120.64
  6. Step 6: Final answer
    x = 20,793.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.