Home / 13,921.26-20,879.73-4,059.51

Finding the Fourth Proportional to 13,921.26, 20,879.73 and 4,059.51

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Solution

The fourth proportional to 13,921.26, 20,879.73 and 4,059.51 is: 6,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.26 : 20,879.73 = 4,059.51 : x
  2. Step 2: Convert to fraction form
    13,921.26/20,879.73 = 4,059.51/x
  3. Step 3: Cross multiply
    13,921.26x = 20,879.73 × 4,059.51
  4. Step 4: Simplify right side
    13,921.26x = 84,761,472.73
  5. Step 5: Solve for x
    x = 84,761,472.73/13,921.26
  6. Step 6: Final answer
    x = 6,088.64

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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.