Home / 20,110.74-30,156.36-11,793.45

Finding the Fourth Proportional to 20,110.74, 30,156.36 and 11,793.45

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Solution

The fourth proportional to 20,110.74, 30,156.36 and 11,793.45 is: 17,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.74 : 30,156.36 = 11,793.45 : x
  2. Step 2: Convert to fraction form
    20,110.74/30,156.36 = 11,793.45/x
  3. Step 3: Cross multiply
    20,110.74x = 30,156.36 × 11,793.45
  4. Step 4: Simplify right side
    20,110.74x = 355,647,523.84
  5. Step 5: Solve for x
    x = 355,647,523.84/20,110.74
  6. Step 6: Final answer
    x = 17,684.46

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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.