Home / 18,933.36-26,119.82-11,272.34

Finding the Fourth Proportional to 18,933.36, 26,119.82 and 11,272.34

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Solution

The fourth proportional to 18,933.36, 26,119.82 and 11,272.34 is: 15,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.36 : 26,119.82 = 11,272.34 : x
  2. Step 2: Convert to fraction form
    18,933.36/26,119.82 = 11,272.34/x
  3. Step 3: Cross multiply
    18,933.36x = 26,119.82 × 11,272.34
  4. Step 4: Simplify right side
    18,933.36x = 294,431,491.78
  5. Step 5: Solve for x
    x = 294,431,491.78/18,933.36
  6. Step 6: Final answer
    x = 15,550.94

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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.