Home / 17,170.30-23,682.76-15,758.56

Finding the Fourth Proportional to 17,170.30, 23,682.76 and 15,758.56

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Solution

The fourth proportional to 17,170.30, 23,682.76 and 15,758.56 is: 21,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.30 : 23,682.76 = 15,758.56 : x
  2. Step 2: Convert to fraction form
    17,170.30/23,682.76 = 15,758.56/x
  3. Step 3: Cross multiply
    17,170.30x = 23,682.76 × 15,758.56
  4. Step 4: Simplify right side
    17,170.30x = 373,206,194.43
  5. Step 5: Solve for x
    x = 373,206,194.43/17,170.30
  6. Step 6: Final answer
    x = 21,735.57

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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.