Home / 20,183.10-30,279.26-6,145.12

Finding the Fourth Proportional to 20,183.10, 30,279.26 and 6,145.12

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Solution

The fourth proportional to 20,183.10, 30,279.26 and 6,145.12 is: 9,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.10 : 30,279.26 = 6,145.12 : x
  2. Step 2: Convert to fraction form
    20,183.10/30,279.26 = 6,145.12/x
  3. Step 3: Cross multiply
    20,183.10x = 30,279.26 × 6,145.12
  4. Step 4: Simplify right side
    20,183.10x = 186,069,686.21
  5. Step 5: Solve for x
    x = 186,069,686.21/20,183.10
  6. Step 6: Final answer
    x = 9,219.08

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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.