Home / 11,214.14-16,821.68-4,193.45

Finding the Fourth Proportional to 11,214.14, 16,821.68 and 4,193.45

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Solution

The fourth proportional to 11,214.14, 16,821.68 and 4,193.45 is: 6,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.14 : 16,821.68 = 4,193.45 : x
  2. Step 2: Convert to fraction form
    11,214.14/16,821.68 = 4,193.45/x
  3. Step 3: Cross multiply
    11,214.14x = 16,821.68 × 4,193.45
  4. Step 4: Simplify right side
    11,214.14x = 70,540,768.92
  5. Step 5: Solve for x
    x = 70,540,768.92/11,214.14
  6. Step 6: Final answer
    x = 6,290.34

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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.