Home / 20,944.06-28,902.82-11,513.24

Finding the Fourth Proportional to 20,944.06, 28,902.82 and 11,513.24

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Solution

The fourth proportional to 20,944.06, 28,902.82 and 11,513.24 is: 15,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.06 : 28,902.82 = 11,513.24 : x
  2. Step 2: Convert to fraction form
    20,944.06/28,902.82 = 11,513.24/x
  3. Step 3: Cross multiply
    20,944.06x = 28,902.82 × 11,513.24
  4. Step 4: Simplify right side
    20,944.06x = 332,765,103.34
  5. Step 5: Solve for x
    x = 332,765,103.34/20,944.06
  6. Step 6: Final answer
    x = 15,888.28

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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.