Home / 18,144.44-25,039.14-10,186.48

Finding the Fourth Proportional to 18,144.44, 25,039.14 and 10,186.48

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Solution

The fourth proportional to 18,144.44, 25,039.14 and 10,186.48 is: 14,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.44 : 25,039.14 = 10,186.48 : x
  2. Step 2: Convert to fraction form
    18,144.44/25,039.14 = 10,186.48/x
  3. Step 3: Cross multiply
    18,144.44x = 25,039.14 × 10,186.48
  4. Step 4: Simplify right side
    18,144.44x = 255,060,698.83
  5. Step 5: Solve for x
    x = 255,060,698.83/18,144.44
  6. Step 6: Final answer
    x = 14,057.24

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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.