Home / 18,143.22-25,036.27-10,183.92

Finding the Fourth Proportional to 18,143.22, 25,036.27 and 10,183.92

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Solution

The fourth proportional to 18,143.22, 25,036.27 and 10,183.92 is: 14,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.22 : 25,036.27 = 10,183.92 : x
  2. Step 2: Convert to fraction form
    18,143.22/25,036.27 = 10,183.92/x
  3. Step 3: Cross multiply
    18,143.22x = 25,036.27 × 10,183.92
  4. Step 4: Simplify right side
    18,143.22x = 254,967,370.78
  5. Step 5: Solve for x
    x = 254,967,370.78/18,143.22
  6. Step 6: Final answer
    x = 14,053.04

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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.