Home / 12,193.24-18,287.04-3,871.68

Finding the Fourth Proportional to 12,193.24, 18,287.04 and 3,871.68

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Solution

The fourth proportional to 12,193.24, 18,287.04 and 3,871.68 is: 5,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.24 : 18,287.04 = 3,871.68 : x
  2. Step 2: Convert to fraction form
    12,193.24/18,287.04 = 3,871.68/x
  3. Step 3: Cross multiply
    12,193.24x = 18,287.04 × 3,871.68
  4. Step 4: Simplify right side
    12,193.24x = 70,801,567.03
  5. Step 5: Solve for x
    x = 70,801,567.03/12,193.24
  6. Step 6: Final answer
    x = 5,806.62

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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.