Home / 18,142.37-25,035.09-10,183.07

Finding the Fourth Proportional to 18,142.37, 25,035.09 and 10,183.07

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Solution

The fourth proportional to 18,142.37, 25,035.09 and 10,183.07 is: 14,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.37 : 25,035.09 = 10,183.07 : x
  2. Step 2: Convert to fraction form
    18,142.37/25,035.09 = 10,183.07/x
  3. Step 3: Cross multiply
    18,142.37x = 25,035.09 × 10,183.07
  4. Step 4: Simplify right side
    18,142.37x = 254,933,948.75
  5. Step 5: Solve for x
    x = 254,933,948.75/18,142.37
  6. Step 6: Final answer
    x = 14,051.86

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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.