Home / 13,212.86-19,818.68-3,352.32

Finding the Fourth Proportional to 13,212.86, 19,818.68 and 3,352.32

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Solution

The fourth proportional to 13,212.86, 19,818.68 and 3,352.32 is: 5,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.86 : 19,818.68 = 3,352.32 : x
  2. Step 2: Convert to fraction form
    13,212.86/19,818.68 = 3,352.32/x
  3. Step 3: Cross multiply
    13,212.86x = 19,818.68 × 3,352.32
  4. Step 4: Simplify right side
    13,212.86x = 66,438,540.58
  5. Step 5: Solve for x
    x = 66,438,540.58/13,212.86
  6. Step 6: Final answer
    x = 5,028.33

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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.