Home / 13,552.60-20,321.67-6,884.99

Finding the Fourth Proportional to 13,552.60, 20,321.67 and 6,884.99

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Solution

The fourth proportional to 13,552.60, 20,321.67 and 6,884.99 is: 10,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.60 : 20,321.67 = 6,884.99 : x
  2. Step 2: Convert to fraction form
    13,552.60/20,321.67 = 6,884.99/x
  3. Step 3: Cross multiply
    13,552.60x = 20,321.67 × 6,884.99
  4. Step 4: Simplify right side
    13,552.60x = 139,914,494.73
  5. Step 5: Solve for x
    x = 139,914,494.73/13,552.60
  6. Step 6: Final answer
    x = 10,323.81

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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.