Home / 13,399.42-20,104.60-4,640.50

Finding the Fourth Proportional to 13,399.42, 20,104.60 and 4,640.50

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Solution

The fourth proportional to 13,399.42, 20,104.60 and 4,640.50 is: 6,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.42 : 20,104.60 = 4,640.50 : x
  2. Step 2: Convert to fraction form
    13,399.42/20,104.60 = 4,640.50/x
  3. Step 3: Cross multiply
    13,399.42x = 20,104.60 × 4,640.50
  4. Step 4: Simplify right side
    13,399.42x = 93,295,396.30
  5. Step 5: Solve for x
    x = 93,295,396.30/13,399.42
  6. Step 6: Final answer
    x = 6,962.64

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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.