Home / 22,120.81-33,161.15-11,030.90

Finding the Fourth Proportional to 22,120.81, 33,161.15 and 11,030.90

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Solution

The fourth proportional to 22,120.81, 33,161.15 and 11,030.90 is: 16,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.81 : 33,161.15 = 11,030.90 : x
  2. Step 2: Convert to fraction form
    22,120.81/33,161.15 = 11,030.90/x
  3. Step 3: Cross multiply
    22,120.81x = 33,161.15 × 11,030.90
  4. Step 4: Simplify right side
    22,120.81x = 365,797,163.73
  5. Step 5: Solve for x
    x = 365,797,163.73/22,120.81
  6. Step 6: Final answer
    x = 16,536.34

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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.