Home / 22,122.82-33,187.35-8,270.50

Finding the Fourth Proportional to 22,122.82, 33,187.35 and 8,270.50

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Solution

The fourth proportional to 22,122.82, 33,187.35 and 8,270.50 is: 12,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.82 : 33,187.35 = 8,270.50 : x
  2. Step 2: Convert to fraction form
    22,122.82/33,187.35 = 8,270.50/x
  3. Step 3: Cross multiply
    22,122.82x = 33,187.35 × 8,270.50
  4. Step 4: Simplify right side
    22,122.82x = 274,475,978.18
  5. Step 5: Solve for x
    x = 274,475,978.18/22,122.82
  6. Step 6: Final answer
    x = 12,406.92

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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.