Home / 13,792.45-20,693.69-6,771.72

Finding the Fourth Proportional to 13,792.45, 20,693.69 and 6,771.72

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Solution

The fourth proportional to 13,792.45, 20,693.69 and 6,771.72 is: 10,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.45 : 20,693.69 = 6,771.72 : x
  2. Step 2: Convert to fraction form
    13,792.45/20,693.69 = 6,771.72/x
  3. Step 3: Cross multiply
    13,792.45x = 20,693.69 × 6,771.72
  4. Step 4: Simplify right side
    13,792.45x = 140,131,874.45
  5. Step 5: Solve for x
    x = 140,131,874.45/13,792.45
  6. Step 6: Final answer
    x = 10,160.04

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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.