Home / 11,637.85-17,455.30-3,739.73

Finding the Fourth Proportional to 11,637.85, 17,455.30 and 3,739.73

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Solution

The fourth proportional to 11,637.85, 17,455.30 and 3,739.73 is: 5,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.85 : 17,455.30 = 3,739.73 : x
  2. Step 2: Convert to fraction form
    11,637.85/17,455.30 = 3,739.73/x
  3. Step 3: Cross multiply
    11,637.85x = 17,455.30 × 3,739.73
  4. Step 4: Simplify right side
    11,637.85x = 65,278,109.07
  5. Step 5: Solve for x
    x = 65,278,109.07/11,637.85
  6. Step 6: Final answer
    x = 5,609.12

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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.