Home / 18,140.86-25,034.34-10,183.87

Finding the Fourth Proportional to 18,140.86, 25,034.34 and 10,183.87

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Solution

The fourth proportional to 18,140.86, 25,034.34 and 10,183.87 is: 14,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.86 : 25,034.34 = 10,183.87 : x
  2. Step 2: Convert to fraction form
    18,140.86/25,034.34 = 10,183.87/x
  3. Step 3: Cross multiply
    18,140.86x = 25,034.34 × 10,183.87
  4. Step 4: Simplify right side
    18,140.86x = 254,946,464.10
  5. Step 5: Solve for x
    x = 254,946,464.10/18,140.86
  6. Step 6: Final answer
    x = 14,053.71

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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.