Home / 13,466.26-20,200.47-3,605.46

Finding the Fourth Proportional to 13,466.26, 20,200.47 and 3,605.46

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Solution

The fourth proportional to 13,466.26, 20,200.47 and 3,605.46 is: 5,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.26 : 20,200.47 = 3,605.46 : x
  2. Step 2: Convert to fraction form
    13,466.26/20,200.47 = 3,605.46/x
  3. Step 3: Cross multiply
    13,466.26x = 20,200.47 × 3,605.46
  4. Step 4: Simplify right side
    13,466.26x = 72,831,986.57
  5. Step 5: Solve for x
    x = 72,831,986.57/13,466.26
  6. Step 6: Final answer
    x = 5,408.48

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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.