Home / 20,544.94-28,352.01-11,113.48

Finding the Fourth Proportional to 20,544.94, 28,352.01 and 11,113.48

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Solution

The fourth proportional to 20,544.94, 28,352.01 and 11,113.48 is: 15,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.94 : 28,352.01 = 11,113.48 : x
  2. Step 2: Convert to fraction form
    20,544.94/28,352.01 = 11,113.48/x
  3. Step 3: Cross multiply
    20,544.94x = 28,352.01 × 11,113.48
  4. Step 4: Simplify right side
    20,544.94x = 315,089,496.09
  5. Step 5: Solve for x
    x = 315,089,496.09/20,544.94
  6. Step 6: Final answer
    x = 15,336.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.