Home / 12,092.81-18,135.97-3,328.20

Finding the Fourth Proportional to 12,092.81, 18,135.97 and 3,328.20

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Solution

The fourth proportional to 12,092.81, 18,135.97 and 3,328.20 is: 4,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.81 : 18,135.97 = 3,328.20 : x
  2. Step 2: Convert to fraction form
    12,092.81/18,135.97 = 3,328.20/x
  3. Step 3: Cross multiply
    12,092.81x = 18,135.97 × 3,328.20
  4. Step 4: Simplify right side
    12,092.81x = 60,360,127.03
  5. Step 5: Solve for x
    x = 60,360,127.03/12,092.81
  6. Step 6: Final answer
    x = 4,991.41

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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.