Home / 13,774.20-20,662.30-3,914.26

Finding the Fourth Proportional to 13,774.20, 20,662.30 and 3,914.26

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Solution

The fourth proportional to 13,774.20, 20,662.30 and 3,914.26 is: 5,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.20 : 20,662.30 = 3,914.26 : x
  2. Step 2: Convert to fraction form
    13,774.20/20,662.30 = 3,914.26/x
  3. Step 3: Cross multiply
    13,774.20x = 20,662.30 × 3,914.26
  4. Step 4: Simplify right side
    13,774.20x = 80,877,614.40
  5. Step 5: Solve for x
    x = 80,877,614.40/13,774.20
  6. Step 6: Final answer
    x = 5,871.67

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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.