Home / 13,683.43-20,525.20-3,822.69

Finding the Fourth Proportional to 13,683.43, 20,525.20 and 3,822.69

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Solution

The fourth proportional to 13,683.43, 20,525.20 and 3,822.69 is: 5,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.43 : 20,525.20 = 3,822.69 : x
  2. Step 2: Convert to fraction form
    13,683.43/20,525.20 = 3,822.69/x
  3. Step 3: Cross multiply
    13,683.43x = 20,525.20 × 3,822.69
  4. Step 4: Simplify right side
    13,683.43x = 78,461,544.20
  5. Step 5: Solve for x
    x = 78,461,544.20/13,683.43
  6. Step 6: Final answer
    x = 5,734.05

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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.