Home / 20,284.50-30,429.60-6,245.70

Finding the Fourth Proportional to 20,284.50, 30,429.60 and 6,245.70

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Solution

The fourth proportional to 20,284.50, 30,429.60 and 6,245.70 is: 9,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.50 : 30,429.60 = 6,245.70 : x
  2. Step 2: Convert to fraction form
    20,284.50/30,429.60 = 6,245.70/x
  3. Step 3: Cross multiply
    20,284.50x = 30,429.60 × 6,245.70
  4. Step 4: Simplify right side
    20,284.50x = 190,054,152.72
  5. Step 5: Solve for x
    x = 190,054,152.72/20,284.50
  6. Step 6: Final answer
    x = 9,369.43

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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.