Home / 22,442.94-30,962.58-12,879.37

Finding the Fourth Proportional to 22,442.94, 30,962.58 and 12,879.37

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Solution

The fourth proportional to 22,442.94, 30,962.58 and 12,879.37 is: 17,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.94 : 30,962.58 = 12,879.37 : x
  2. Step 2: Convert to fraction form
    22,442.94/30,962.58 = 12,879.37/x
  3. Step 3: Cross multiply
    22,442.94x = 30,962.58 × 12,879.37
  4. Step 4: Simplify right side
    22,442.94x = 398,778,523.97
  5. Step 5: Solve for x
    x = 398,778,523.97/22,442.94
  6. Step 6: Final answer
    x = 17,768.55

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1.5x scale

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.