Home / 11,215.39-16,823.55-4,194.70

Finding the Fourth Proportional to 11,215.39, 16,823.55 and 4,194.70

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Solution

The fourth proportional to 11,215.39, 16,823.55 and 4,194.70 is: 6,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.39 : 16,823.55 = 4,194.70 : x
  2. Step 2: Convert to fraction form
    11,215.39/16,823.55 = 4,194.70/x
  3. Step 3: Cross multiply
    11,215.39x = 16,823.55 × 4,194.70
  4. Step 4: Simplify right side
    11,215.39x = 70,569,745.19
  5. Step 5: Solve for x
    x = 70,569,745.19/11,215.39
  6. Step 6: Final answer
    x = 6,292.22

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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.