Home / 21,083.42-29,096.94-11,653.80

Finding the Fourth Proportional to 21,083.42, 29,096.94 and 11,653.80

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Solution

The fourth proportional to 21,083.42, 29,096.94 and 11,653.80 is: 16,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.42 : 29,096.94 = 11,653.80 : x
  2. Step 2: Convert to fraction form
    21,083.42/29,096.94 = 11,653.80/x
  3. Step 3: Cross multiply
    21,083.42x = 29,096.94 × 11,653.80
  4. Step 4: Simplify right side
    21,083.42x = 339,089,919.37
  5. Step 5: Solve for x
    x = 339,089,919.37/21,083.42
  6. Step 6: Final answer
    x = 16,083.25

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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.