Home / 13,542.66-20,313.96-3,683.37

Finding the Fourth Proportional to 13,542.66, 20,313.96 and 3,683.37

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Solution

The fourth proportional to 13,542.66, 20,313.96 and 3,683.37 is: 5,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.66 : 20,313.96 = 3,683.37 : x
  2. Step 2: Convert to fraction form
    13,542.66/20,313.96 = 3,683.37/x
  3. Step 3: Cross multiply
    13,542.66x = 20,313.96 × 3,683.37
  4. Step 4: Simplify right side
    13,542.66x = 74,823,830.85
  5. Step 5: Solve for x
    x = 74,823,830.85/13,542.66
  6. Step 6: Final answer
    x = 5,525.05

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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.