Home / 20,455.62-30,683.46-6,224.22

Finding the Fourth Proportional to 20,455.62, 30,683.46 and 6,224.22

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Solution

The fourth proportional to 20,455.62, 30,683.46 and 6,224.22 is: 9,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455.62 : 30,683.46 = 6,224.22 : x
  2. Step 2: Convert to fraction form
    20,455.62/30,683.46 = 6,224.22/x
  3. Step 3: Cross multiply
    20,455.62x = 30,683.46 × 6,224.22
  4. Step 4: Simplify right side
    20,455.62x = 190,980,605.40
  5. Step 5: Solve for x
    x = 190,980,605.40/20,455.62
  6. Step 6: Final answer
    x = 9,336.34

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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.