Home / 12,194.48-18,291.68-4,403.28

Finding the Fourth Proportional to 12,194.48, 18,291.68 and 4,403.28

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Solution

The fourth proportional to 12,194.48, 18,291.68 and 4,403.28 is: 6,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.48 : 18,291.68 = 4,403.28 : x
  2. Step 2: Convert to fraction form
    12,194.48/18,291.68 = 4,403.28/x
  3. Step 3: Cross multiply
    12,194.48x = 18,291.68 × 4,403.28
  4. Step 4: Simplify right side
    12,194.48x = 80,543,388.71
  5. Step 5: Solve for x
    x = 80,543,388.71/12,194.48
  6. Step 6: Final answer
    x = 6,604.91

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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.