Home / 18,738.03-25,854.90-10,778.27

Finding the Fourth Proportional to 18,738.03, 25,854.90 and 10,778.27

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Solution

The fourth proportional to 18,738.03, 25,854.90 and 10,778.27 is: 14,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.03 : 25,854.90 = 10,778.27 : x
  2. Step 2: Convert to fraction form
    18,738.03/25,854.90 = 10,778.27/x
  3. Step 3: Cross multiply
    18,738.03x = 25,854.90 × 10,778.27
  4. Step 4: Simplify right side
    18,738.03x = 278,670,923.33
  5. Step 5: Solve for x
    x = 278,670,923.33/18,738.03
  6. Step 6: Final answer
    x = 14,871.94

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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.