Home / 17,949.78-26,886.36-11,268.48

Finding the Fourth Proportional to 17,949.78, 26,886.36 and 11,268.48

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Solution

The fourth proportional to 17,949.78, 26,886.36 and 11,268.48 is: 16,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.78 : 26,886.36 = 11,268.48 : x
  2. Step 2: Convert to fraction form
    17,949.78/26,886.36 = 11,268.48/x
  3. Step 3: Cross multiply
    17,949.78x = 26,886.36 × 11,268.48
  4. Step 4: Simplify right side
    17,949.78x = 302,968,409.93
  5. Step 5: Solve for x
    x = 302,968,409.93/17,949.78
  6. Step 6: Final answer
    x = 16,878.67

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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.