Home / 22,170.96-30,610.32-17,126.40

Finding the Fourth Proportional to 22,170.96, 30,610.32 and 17,126.40

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Solution

The fourth proportional to 22,170.96, 30,610.32 and 17,126.40 is: 23,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.96 : 30,610.32 = 17,126.40 : x
  2. Step 2: Convert to fraction form
    22,170.96/30,610.32 = 17,126.40/x
  3. Step 3: Cross multiply
    22,170.96x = 30,610.32 × 17,126.40
  4. Step 4: Simplify right side
    22,170.96x = 524,244,584.45
  5. Step 5: Solve for x
    x = 524,244,584.45/22,170.96
  6. Step 6: Final answer
    x = 23,645.55

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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.