Home / 14,383.78-21,546.96-11,427.23

Finding the Fourth Proportional to 14,383.78, 21,546.96 and 11,427.23

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Solution

The fourth proportional to 14,383.78, 21,546.96 and 11,427.23 is: 17,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.78 : 21,546.96 = 11,427.23 : x
  2. Step 2: Convert to fraction form
    14,383.78/21,546.96 = 11,427.23/x
  3. Step 3: Cross multiply
    14,383.78x = 21,546.96 × 11,427.23
  4. Step 4: Simplify right side
    14,383.78x = 246,222,021.81
  5. Step 5: Solve for x
    x = 246,222,021.81/14,383.78
  6. Step 6: Final answer
    x = 17,118.04

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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.