Home / 18,632.72-25,713.64-10,249.44

Finding the Fourth Proportional to 18,632.72, 25,713.64 and 10,249.44

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Solution

The fourth proportional to 18,632.72, 25,713.64 and 10,249.44 is: 14,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.72 : 25,713.64 = 10,249.44 : x
  2. Step 2: Convert to fraction form
    18,632.72/25,713.64 = 10,249.44/x
  3. Step 3: Cross multiply
    18,632.72x = 25,713.64 × 10,249.44
  4. Step 4: Simplify right side
    18,632.72x = 263,550,410.36
  5. Step 5: Solve for x
    x = 263,550,410.36/18,632.72
  6. Step 6: Final answer
    x = 14,144.49

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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.