Home / 20,858.09-31,286.87-5,063.25

Finding the Fourth Proportional to 20,858.09, 31,286.87 and 5,063.25

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Solution

The fourth proportional to 20,858.09, 31,286.87 and 5,063.25 is: 7,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.09 : 31,286.87 = 5,063.25 : x
  2. Step 2: Convert to fraction form
    20,858.09/31,286.87 = 5,063.25/x
  3. Step 3: Cross multiply
    20,858.09x = 31,286.87 × 5,063.25
  4. Step 4: Simplify right side
    20,858.09x = 158,413,257.19
  5. Step 5: Solve for x
    x = 158,413,257.19/20,858.09
  6. Step 6: Final answer
    x = 7,594.81

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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.