Home / 22,016.92-30,383.10-11,945.32

Finding the Fourth Proportional to 22,016.92, 30,383.10 and 11,945.32

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Solution

The fourth proportional to 22,016.92, 30,383.10 and 11,945.32 is: 16,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.92 : 30,383.10 = 11,945.32 : x
  2. Step 2: Convert to fraction form
    22,016.92/30,383.10 = 11,945.32/x
  3. Step 3: Cross multiply
    22,016.92x = 30,383.10 × 11,945.32
  4. Step 4: Simplify right side
    22,016.92x = 362,935,852.09
  5. Step 5: Solve for x
    x = 362,935,852.09/22,016.92
  6. Step 6: Final answer
    x = 16,484.41

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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.