Home / 13,792.56-20,674.26-6,762.78

Finding the Fourth Proportional to 13,792.56, 20,674.26 and 6,762.78

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Solution

The fourth proportional to 13,792.56, 20,674.26 and 6,762.78 is: 10,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.56 : 20,674.26 = 6,762.78 : x
  2. Step 2: Convert to fraction form
    13,792.56/20,674.26 = 6,762.78/x
  3. Step 3: Cross multiply
    13,792.56x = 20,674.26 × 6,762.78
  4. Step 4: Simplify right side
    13,792.56x = 139,815,472.04
  5. Step 5: Solve for x
    x = 139,815,472.04/13,792.56
  6. Step 6: Final answer
    x = 10,137.02

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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.