Home / 20,183.38-30,279.06-7,036.18

Finding the Fourth Proportional to 20,183.38, 30,279.06 and 7,036.18

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Solution

The fourth proportional to 20,183.38, 30,279.06 and 7,036.18 is: 10,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.38 : 30,279.06 = 7,036.18 : x
  2. Step 2: Convert to fraction form
    20,183.38/30,279.06 = 7,036.18/x
  3. Step 3: Cross multiply
    20,183.38x = 30,279.06 × 7,036.18
  4. Step 4: Simplify right side
    20,183.38x = 213,048,916.39
  5. Step 5: Solve for x
    x = 213,048,916.39/20,183.38
  6. Step 6: Final answer
    x = 10,555.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.