Home / 22,170.76-30,600.66-15,100

Finding the Fourth Proportional to 22,170.76, 30,600.66 and 15,100

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Solution

The fourth proportional to 22,170.76, 30,600.66 and 15,100 is: 20,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.76 : 30,600.66 = 15,100 : x
  2. Step 2: Convert to fraction form
    22,170.76/30,600.66 = 15,100/x
  3. Step 3: Cross multiply
    22,170.76x = 30,600.66 × 15,100
  4. Step 4: Simplify right side
    22,170.76x = 462,069,966
  5. Step 5: Solve for x
    x = 462,069,966/22,170.76
  6. Step 6: Final answer
    x = 20,841.41

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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.