Home / 20,568.32-30,840.84-6,525.68

Finding the Fourth Proportional to 20,568.32, 30,840.84 and 6,525.68

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Solution

The fourth proportional to 20,568.32, 30,840.84 and 6,525.68 is: 9,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.32 : 30,840.84 = 6,525.68 : x
  2. Step 2: Convert to fraction form
    20,568.32/30,840.84 = 6,525.68/x
  3. Step 3: Cross multiply
    20,568.32x = 30,840.84 × 6,525.68
  4. Step 4: Simplify right side
    20,568.32x = 201,257,452.77
  5. Step 5: Solve for x
    x = 201,257,452.77/20,568.32
  6. Step 6: Final answer
    x = 9,784.83

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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.