Home / 19,418.44-26,788.44-11,858.80

Finding the Fourth Proportional to 19,418.44, 26,788.44 and 11,858.80

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Solution

The fourth proportional to 19,418.44, 26,788.44 and 11,858.80 is: 16,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.44 : 26,788.44 = 11,858.80 : x
  2. Step 2: Convert to fraction form
    19,418.44/26,788.44 = 11,858.80/x
  3. Step 3: Cross multiply
    19,418.44x = 26,788.44 × 11,858.80
  4. Step 4: Simplify right side
    19,418.44x = 317,678,752.27
  5. Step 5: Solve for x
    x = 317,678,752.27/19,418.44
  6. Step 6: Final answer
    x = 16,359.64

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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.