Home / 18,140.74-25,034.19-10,183.70

Finding the Fourth Proportional to 18,140.74, 25,034.19 and 10,183.70

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Solution

The fourth proportional to 18,140.74, 25,034.19 and 10,183.70 is: 14,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.74 : 25,034.19 = 10,183.70 : x
  2. Step 2: Convert to fraction form
    18,140.74/25,034.19 = 10,183.70/x
  3. Step 3: Cross multiply
    18,140.74x = 25,034.19 × 10,183.70
  4. Step 4: Simplify right side
    18,140.74x = 254,940,680.70
  5. Step 5: Solve for x
    x = 254,940,680.70/18,140.74
  6. Step 6: Final answer
    x = 14,053.49

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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.