Home / 20,071.43-30,059.19-11,164.64

Finding the Fourth Proportional to 20,071.43, 30,059.19 and 11,164.64

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Solution

The fourth proportional to 20,071.43, 30,059.19 and 11,164.64 is: 16,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.43 : 30,059.19 = 11,164.64 : x
  2. Step 2: Convert to fraction form
    20,071.43/30,059.19 = 11,164.64/x
  3. Step 3: Cross multiply
    20,071.43x = 30,059.19 × 11,164.64
  4. Step 4: Simplify right side
    20,071.43x = 335,599,884.75
  5. Step 5: Solve for x
    x = 335,599,884.75/20,071.43
  6. Step 6: Final answer
    x = 16,720.28

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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.