Home / 13,396.15-20,078.43-4,626.28

Finding the Fourth Proportional to 13,396.15, 20,078.43 and 4,626.28

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Solution

The fourth proportional to 13,396.15, 20,078.43 and 4,626.28 is: 6,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.15 : 20,078.43 = 4,626.28 : x
  2. Step 2: Convert to fraction form
    13,396.15/20,078.43 = 4,626.28/x
  3. Step 3: Cross multiply
    13,396.15x = 20,078.43 × 4,626.28
  4. Step 4: Simplify right side
    13,396.15x = 92,888,439.14
  5. Step 5: Solve for x
    x = 92,888,439.14/13,396.15
  6. Step 6: Final answer
    x = 6,933.97

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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.