Home / 12,194.25-18,291.38-3,429.16

Finding the Fourth Proportional to 12,194.25, 18,291.38 and 3,429.16

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Solution

The fourth proportional to 12,194.25, 18,291.38 and 3,429.16 is: 5,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.25 : 18,291.38 = 3,429.16 : x
  2. Step 2: Convert to fraction form
    12,194.25/18,291.38 = 3,429.16/x
  3. Step 3: Cross multiply
    12,194.25x = 18,291.38 × 3,429.16
  4. Step 4: Simplify right side
    12,194.25x = 62,724,127.94
  5. Step 5: Solve for x
    x = 62,724,127.94/12,194.25
  6. Step 6: Final answer
    x = 5,143.75

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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.