Home / 11,214.66-16,821.99-3,316.56

Finding the Fourth Proportional to 11,214.66, 16,821.99 and 3,316.56

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Solution

The fourth proportional to 11,214.66, 16,821.99 and 3,316.56 is: 4,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.66 : 16,821.99 = 3,316.56 : x
  2. Step 2: Convert to fraction form
    11,214.66/16,821.99 = 3,316.56/x
  3. Step 3: Cross multiply
    11,214.66x = 16,821.99 × 3,316.56
  4. Step 4: Simplify right side
    11,214.66x = 55,791,153.81
  5. Step 5: Solve for x
    x = 55,791,153.81/11,214.66
  6. Step 6: Final answer
    x = 4,974.84

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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.