Home / 12,192.68-18,290.28-3,873.44

Finding the Fourth Proportional to 12,192.68, 18,290.28 and 3,873.44

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Solution

The fourth proportional to 12,192.68, 18,290.28 and 3,873.44 is: 5,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.68 : 18,290.28 = 3,873.44 : x
  2. Step 2: Convert to fraction form
    12,192.68/18,290.28 = 3,873.44/x
  3. Step 3: Cross multiply
    12,192.68x = 18,290.28 × 3,873.44
  4. Step 4: Simplify right side
    12,192.68x = 70,846,302.16
  5. Step 5: Solve for x
    x = 70,846,302.16/12,192.68
  6. Step 6: Final answer
    x = 5,810.56

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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.