Home / 13,661.55-20,495.42-4,174.73

Finding the Fourth Proportional to 13,661.55, 20,495.42 and 4,174.73

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Solution

The fourth proportional to 13,661.55, 20,495.42 and 4,174.73 is: 6,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.55 : 20,495.42 = 4,174.73 : x
  2. Step 2: Convert to fraction form
    13,661.55/20,495.42 = 4,174.73/x
  3. Step 3: Cross multiply
    13,661.55x = 20,495.42 × 4,174.73
  4. Step 4: Simplify right side
    13,661.55x = 85,562,721.39
  5. Step 5: Solve for x
    x = 85,562,721.39/13,661.55
  6. Step 6: Final answer
    x = 6,263.03

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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.