Home / 22,678.74-33,945.30-12,122.37

Finding the Fourth Proportional to 22,678.74, 33,945.30 and 12,122.37

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Solution

The fourth proportional to 22,678.74, 33,945.30 and 12,122.37 is: 18,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.74 : 33,945.30 = 12,122.37 : x
  2. Step 2: Convert to fraction form
    22,678.74/33,945.30 = 12,122.37/x
  3. Step 3: Cross multiply
    22,678.74x = 33,945.30 × 12,122.37
  4. Step 4: Simplify right side
    22,678.74x = 411,497,486.36
  5. Step 5: Solve for x
    x = 411,497,486.36/22,678.74
  6. Step 6: Final answer
    x = 18,144.64

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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.