Home / 13,188.44-19,782.66-4,423.33

Finding the Fourth Proportional to 13,188.44, 19,782.66 and 4,423.33

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Solution

The fourth proportional to 13,188.44, 19,782.66 and 4,423.33 is: 6,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.44 : 19,782.66 = 4,423.33 : x
  2. Step 2: Convert to fraction form
    13,188.44/19,782.66 = 4,423.33/x
  3. Step 3: Cross multiply
    13,188.44x = 19,782.66 × 4,423.33
  4. Step 4: Simplify right side
    13,188.44x = 87,505,112.43
  5. Step 5: Solve for x
    x = 87,505,112.43/13,188.44
  6. Step 6: Final answer
    x = 6,634.99

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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.