Home / 18,621.44-25,697.76-10,238

Finding the Fourth Proportional to 18,621.44, 25,697.76 and 10,238

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Solution

The fourth proportional to 18,621.44, 25,697.76 and 10,238 is: 14,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.44 : 25,697.76 = 10,238 : x
  2. Step 2: Convert to fraction form
    18,621.44/25,697.76 = 10,238/x
  3. Step 3: Cross multiply
    18,621.44x = 25,697.76 × 10,238
  4. Step 4: Simplify right side
    18,621.44x = 263,093,666.88
  5. Step 5: Solve for x
    x = 263,093,666.88/18,621.44
  6. Step 6: Final answer
    x = 14,128.54

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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.