Home / 21,743.58-30,006.25-12,183.48

Finding the Fourth Proportional to 21,743.58, 30,006.25 and 12,183.48

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Solution

The fourth proportional to 21,743.58, 30,006.25 and 12,183.48 is: 16,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.58 : 30,006.25 = 12,183.48 : x
  2. Step 2: Convert to fraction form
    21,743.58/30,006.25 = 12,183.48/x
  3. Step 3: Cross multiply
    21,743.58x = 30,006.25 × 12,183.48
  4. Step 4: Simplify right side
    21,743.58x = 365,580,674.50
  5. Step 5: Solve for x
    x = 365,580,674.50/21,743.58
  6. Step 6: Final answer
    x = 16,813.27

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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.