Home / 13,921.22-20,884.79-4,059.67

Finding the Fourth Proportional to 13,921.22, 20,884.79 and 4,059.67

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Solution

The fourth proportional to 13,921.22, 20,884.79 and 4,059.67 is: 6,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.22 : 20,884.79 = 4,059.67 : x
  2. Step 2: Convert to fraction form
    13,921.22/20,884.79 = 4,059.67/x
  3. Step 3: Cross multiply
    13,921.22x = 20,884.79 × 4,059.67
  4. Step 4: Simplify right side
    13,921.22x = 84,785,329.68
  5. Step 5: Solve for x
    x = 84,785,329.68/13,921.22
  6. Step 6: Final answer
    x = 6,090.37

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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.