Home / 20,544.93-28,351.99-11,113.49

Finding the Fourth Proportional to 20,544.93, 28,351.99 and 11,113.49

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Solution

The fourth proportional to 20,544.93, 28,351.99 and 11,113.49 is: 15,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.93 : 28,351.99 = 11,113.49 : x
  2. Step 2: Convert to fraction form
    20,544.93/28,351.99 = 11,113.49/x
  3. Step 3: Cross multiply
    20,544.93x = 28,351.99 × 11,113.49
  4. Step 4: Simplify right side
    20,544.93x = 315,089,642.12
  5. Step 5: Solve for x
    x = 315,089,642.12/20,544.93
  6. Step 6: Final answer
    x = 15,336.61

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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.