Home / 13,863.67-20,792.44-4,000.80

Finding the Fourth Proportional to 13,863.67, 20,792.44 and 4,000.80

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Solution

The fourth proportional to 13,863.67, 20,792.44 and 4,000.80 is: 6,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.67 : 20,792.44 = 4,000.80 : x
  2. Step 2: Convert to fraction form
    13,863.67/20,792.44 = 4,000.80/x
  3. Step 3: Cross multiply
    13,863.67x = 20,792.44 × 4,000.80
  4. Step 4: Simplify right side
    13,863.67x = 83,186,383.95
  5. Step 5: Solve for x
    x = 83,186,383.95/13,863.67
  6. Step 6: Final answer
    x = 6,000.32

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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.