Home / 22,036-30,411.20-12,100

Finding the Fourth Proportional to 22,036, 30,411.20 and 12,100

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Solution

The fourth proportional to 22,036, 30,411.20 and 12,100 is: 16,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036 : 30,411.20 = 12,100 : x
  2. Step 2: Convert to fraction form
    22,036/30,411.20 = 12,100/x
  3. Step 3: Cross multiply
    22,036x = 30,411.20 × 12,100
  4. Step 4: Simplify right side
    22,036x = 367,975,520
  5. Step 5: Solve for x
    x = 367,975,520/22,036
  6. Step 6: Final answer
    x = 16,698.83

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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.