Home / 21,183.51-29,232.26-11,623.16

Finding the Fourth Proportional to 21,183.51, 29,232.26 and 11,623.16

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Solution

The fourth proportional to 21,183.51, 29,232.26 and 11,623.16 is: 16,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.51 : 29,232.26 = 11,623.16 : x
  2. Step 2: Convert to fraction form
    21,183.51/29,232.26 = 11,623.16/x
  3. Step 3: Cross multiply
    21,183.51x = 29,232.26 × 11,623.16
  4. Step 4: Simplify right side
    21,183.51x = 339,771,134.55
  5. Step 5: Solve for x
    x = 339,771,134.55/21,183.51
  6. Step 6: Final answer
    x = 16,039.42

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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.