Home / 20,174.49-30,173.22-17,968.86

Finding the Fourth Proportional to 20,174.49, 30,173.22 and 17,968.86

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Solution

The fourth proportional to 20,174.49, 30,173.22 and 17,968.86 is: 26,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.49 : 30,173.22 = 17,968.86 : x
  2. Step 2: Convert to fraction form
    20,174.49/30,173.22 = 17,968.86/x
  3. Step 3: Cross multiply
    20,174.49x = 30,173.22 × 17,968.86
  4. Step 4: Simplify right side
    20,174.49x = 542,178,365.93
  5. Step 5: Solve for x
    x = 542,178,365.93/20,174.49
  6. Step 6: Final answer
    x = 26,874.45

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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.