Home / 13,627.08-20,440.59-3,766.33

Finding the Fourth Proportional to 13,627.08, 20,440.59 and 3,766.33

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Solution

The fourth proportional to 13,627.08, 20,440.59 and 3,766.33 is: 5,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.08 : 20,440.59 = 3,766.33 : x
  2. Step 2: Convert to fraction form
    13,627.08/20,440.59 = 3,766.33/x
  3. Step 3: Cross multiply
    13,627.08x = 20,440.59 × 3,766.33
  4. Step 4: Simplify right side
    13,627.08x = 76,986,007.33
  5. Step 5: Solve for x
    x = 76,986,007.33/13,627.08
  6. Step 6: Final answer
    x = 5,649.49

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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.