Home / 20,223.64-30,340.29-6,372.64

Finding the Fourth Proportional to 20,223.64, 30,340.29 and 6,372.64

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Solution

The fourth proportional to 20,223.64, 30,340.29 and 6,372.64 is: 9,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.64 : 30,340.29 = 6,372.64 : x
  2. Step 2: Convert to fraction form
    20,223.64/30,340.29 = 6,372.64/x
  3. Step 3: Cross multiply
    20,223.64x = 30,340.29 × 6,372.64
  4. Step 4: Simplify right side
    20,223.64x = 193,347,745.67
  5. Step 5: Solve for x
    x = 193,347,745.67/20,223.64
  6. Step 6: Final answer
    x = 9,560.48

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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.