Home / 18,657.28-25,745.88-10,273.80

Finding the Fourth Proportional to 18,657.28, 25,745.88 and 10,273.80

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Solution

The fourth proportional to 18,657.28, 25,745.88 and 10,273.80 is: 14,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.28 : 25,745.88 = 10,273.80 : x
  2. Step 2: Convert to fraction form
    18,657.28/25,745.88 = 10,273.80/x
  3. Step 3: Cross multiply
    18,657.28x = 25,745.88 × 10,273.80
  4. Step 4: Simplify right side
    18,657.28x = 264,508,021.94
  5. Step 5: Solve for x
    x = 264,508,021.94/18,657.28
  6. Step 6: Final answer
    x = 14,177.20

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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.