Home / 20,148.44-27,804.33-11,196.72

Finding the Fourth Proportional to 20,148.44, 27,804.33 and 11,196.72

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Solution

The fourth proportional to 20,148.44, 27,804.33 and 11,196.72 is: 15,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.44 : 27,804.33 = 11,196.72 : x
  2. Step 2: Convert to fraction form
    20,148.44/27,804.33 = 11,196.72/x
  3. Step 3: Cross multiply
    20,148.44x = 27,804.33 × 11,196.72
  4. Step 4: Simplify right side
    20,148.44x = 311,317,297.80
  5. Step 5: Solve for x
    x = 311,317,297.80/20,148.44
  6. Step 6: Final answer
    x = 15,451.19

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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.