Home / 21,769.73-30,033.27-14,213.44

Finding the Fourth Proportional to 21,769.73, 30,033.27 and 14,213.44

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Solution

The fourth proportional to 21,769.73, 30,033.27 and 14,213.44 is: 19,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.73 : 30,033.27 = 14,213.44 : x
  2. Step 2: Convert to fraction form
    21,769.73/30,033.27 = 14,213.44/x
  3. Step 3: Cross multiply
    21,769.73x = 30,033.27 × 14,213.44
  4. Step 4: Simplify right side
    21,769.73x = 426,876,081.15
  5. Step 5: Solve for x
    x = 426,876,081.15/21,769.73
  6. Step 6: Final answer
    x = 19,608.70

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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.