Home / 20,284.36-30,429.41-6,245.55

Finding the Fourth Proportional to 20,284.36, 30,429.41 and 6,245.55

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Solution

The fourth proportional to 20,284.36, 30,429.41 and 6,245.55 is: 9,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.36 : 30,429.41 = 6,245.55 : x
  2. Step 2: Convert to fraction form
    20,284.36/30,429.41 = 6,245.55/x
  3. Step 3: Cross multiply
    20,284.36x = 30,429.41 × 6,245.55
  4. Step 4: Simplify right side
    20,284.36x = 190,048,370.40
  5. Step 5: Solve for x
    x = 190,048,370.40/20,284.36
  6. Step 6: Final answer
    x = 9,369.21

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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.