Home / 20,222.34-30,318.93-7,071.18

Finding the Fourth Proportional to 20,222.34, 30,318.93 and 7,071.18

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Solution

The fourth proportional to 20,222.34, 30,318.93 and 7,071.18 is: 10,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.34 : 30,318.93 = 7,071.18 : x
  2. Step 2: Convert to fraction form
    20,222.34/30,318.93 = 7,071.18/x
  3. Step 3: Cross multiply
    20,222.34x = 30,318.93 × 7,071.18
  4. Step 4: Simplify right side
    20,222.34x = 214,390,611.44
  5. Step 5: Solve for x
    x = 214,390,611.44/20,222.34
  6. Step 6: Final answer
    x = 10,601.67

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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.