Home / 20,419.50-30,629.25-6,568.50

Finding the Fourth Proportional to 20,419.50, 30,629.25 and 6,568.50

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Solution

The fourth proportional to 20,419.50, 30,629.25 and 6,568.50 is: 9,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419.50 : 30,629.25 = 6,568.50 : x
  2. Step 2: Convert to fraction form
    20,419.50/30,629.25 = 6,568.50/x
  3. Step 3: Cross multiply
    20,419.50x = 30,629.25 × 6,568.50
  4. Step 4: Simplify right side
    20,419.50x = 201,188,228.63
  5. Step 5: Solve for x
    x = 201,188,228.63/20,419.50
  6. Step 6: Final answer
    x = 9,852.75

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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.