Home / 20,173.56-30,226.74-7,018.68

Finding the Fourth Proportional to 20,173.56, 30,226.74 and 7,018.68

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Solution

The fourth proportional to 20,173.56, 30,226.74 and 7,018.68 is: 10,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.56 : 30,226.74 = 7,018.68 : x
  2. Step 2: Convert to fraction form
    20,173.56/30,226.74 = 7,018.68/x
  3. Step 3: Cross multiply
    20,173.56x = 30,226.74 × 7,018.68
  4. Step 4: Simplify right side
    20,173.56x = 212,151,815.50
  5. Step 5: Solve for x
    x = 212,151,815.50/20,173.56
  6. Step 6: Final answer
    x = 10,516.33

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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.