Home / 18,320.94-25,277.31-11,244.78

Finding the Fourth Proportional to 18,320.94, 25,277.31 and 11,244.78

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Solution

The fourth proportional to 18,320.94, 25,277.31 and 11,244.78 is: 15,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.94 : 25,277.31 = 11,244.78 : x
  2. Step 2: Convert to fraction form
    18,320.94/25,277.31 = 11,244.78/x
  3. Step 3: Cross multiply
    18,320.94x = 25,277.31 × 11,244.78
  4. Step 4: Simplify right side
    18,320.94x = 284,237,789.94
  5. Step 5: Solve for x
    x = 284,237,789.94/18,320.94
  6. Step 6: Final answer
    x = 15,514.37

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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.