Home / 18,788.26-25,928.68-10,404.94

Finding the Fourth Proportional to 18,788.26, 25,928.68 and 10,404.94

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Solution

The fourth proportional to 18,788.26, 25,928.68 and 10,404.94 is: 14,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.26 : 25,928.68 = 10,404.94 : x
  2. Step 2: Convert to fraction form
    18,788.26/25,928.68 = 10,404.94/x
  3. Step 3: Cross multiply
    18,788.26x = 25,928.68 × 10,404.94
  4. Step 4: Simplify right side
    18,788.26x = 269,786,359.68
  5. Step 5: Solve for x
    x = 269,786,359.68/18,788.26
  6. Step 6: Final answer
    x = 14,359.31

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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.