Home / 20,004.37-27,609.86-11,512.13

Finding the Fourth Proportional to 20,004.37, 27,609.86 and 11,512.13

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Solution

The fourth proportional to 20,004.37, 27,609.86 and 11,512.13 is: 15,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.37 : 27,609.86 = 11,512.13 : x
  2. Step 2: Convert to fraction form
    20,004.37/27,609.86 = 11,512.13/x
  3. Step 3: Cross multiply
    20,004.37x = 27,609.86 × 11,512.13
  4. Step 4: Simplify right side
    20,004.37x = 317,848,188.33
  5. Step 5: Solve for x
    x = 317,848,188.33/20,004.37
  6. Step 6: Final answer
    x = 15,888.94

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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.