Home / 13,604.18-20,403.92-3,741.12

Finding the Fourth Proportional to 13,604.18, 20,403.92 and 3,741.12

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Solution

The fourth proportional to 13,604.18, 20,403.92 and 3,741.12 is: 5,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.18 : 20,403.92 = 3,741.12 : x
  2. Step 2: Convert to fraction form
    13,604.18/20,403.92 = 3,741.12/x
  3. Step 3: Cross multiply
    13,604.18x = 20,403.92 × 3,741.12
  4. Step 4: Simplify right side
    13,604.18x = 76,333,513.19
  5. Step 5: Solve for x
    x = 76,333,513.19/13,604.18
  6. Step 6: Final answer
    x = 5,611.03

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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.