Home / 13,837.93-20,756.97-3,449.68

Finding the Fourth Proportional to 13,837.93, 20,756.97 and 3,449.68

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Solution

The fourth proportional to 13,837.93, 20,756.97 and 3,449.68 is: 5,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.93 : 20,756.97 = 3,449.68 : x
  2. Step 2: Convert to fraction form
    13,837.93/20,756.97 = 3,449.68/x
  3. Step 3: Cross multiply
    13,837.93x = 20,756.97 × 3,449.68
  4. Step 4: Simplify right side
    13,837.93x = 71,604,852.38
  5. Step 5: Solve for x
    x = 71,604,852.38/13,837.93
  6. Step 6: Final answer
    x = 5,174.54

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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.