Home / 20,452.65-30,679.35-6,412.37

Finding the Fourth Proportional to 20,452.65, 30,679.35 and 6,412.37

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Solution

The fourth proportional to 20,452.65, 30,679.35 and 6,412.37 is: 9,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.65 : 30,679.35 = 6,412.37 : x
  2. Step 2: Convert to fraction form
    20,452.65/30,679.35 = 6,412.37/x
  3. Step 3: Cross multiply
    20,452.65x = 30,679.35 × 6,412.37
  4. Step 4: Simplify right side
    20,452.65x = 196,727,190.16
  5. Step 5: Solve for x
    x = 196,727,190.16/20,452.65
  6. Step 6: Final answer
    x = 9,618.67

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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.