Home / 13,466.43-20,199.35-3,605.70

Finding the Fourth Proportional to 13,466.43, 20,199.35 and 3,605.70

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Solution

The fourth proportional to 13,466.43, 20,199.35 and 3,605.70 is: 5,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.43 : 20,199.35 = 3,605.70 : x
  2. Step 2: Convert to fraction form
    13,466.43/20,199.35 = 3,605.70/x
  3. Step 3: Cross multiply
    13,466.43x = 20,199.35 × 3,605.70
  4. Step 4: Simplify right side
    13,466.43x = 72,832,778.27
  5. Step 5: Solve for x
    x = 72,832,778.27/13,466.43
  6. Step 6: Final answer
    x = 5,408.47

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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.