Home / 13,879.59-20,813.94-4,517.33

Finding the Fourth Proportional to 13,879.59, 20,813.94 and 4,517.33

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Solution

The fourth proportional to 13,879.59, 20,813.94 and 4,517.33 is: 6,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.59 : 20,813.94 = 4,517.33 : x
  2. Step 2: Convert to fraction form
    13,879.59/20,813.94 = 4,517.33/x
  3. Step 3: Cross multiply
    13,879.59x = 20,813.94 × 4,517.33
  4. Step 4: Simplify right side
    13,879.59x = 94,023,331.51
  5. Step 5: Solve for x
    x = 94,023,331.51/13,879.59
  6. Step 6: Final answer
    x = 6,774.22

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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.