Home / 38,239.86-57,367.89-11,946.60

Finding the Fourth Proportional to 38,239.86, 57,367.89 and 11,946.60

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Solution

The fourth proportional to 38,239.86, 57,367.89 and 11,946.60 is: 17,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.86 : 57,367.89 = 11,946.60 : x
  2. Step 2: Convert to fraction form
    38,239.86/57,367.89 = 11,946.60/x
  3. Step 3: Cross multiply
    38,239.86x = 57,367.89 × 11,946.60
  4. Step 4: Simplify right side
    38,239.86x = 685,351,234.67
  5. Step 5: Solve for x
    x = 685,351,234.67/38,239.86
  6. Step 6: Final answer
    x = 17,922.43

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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.