Home / 11,246.20-16,869.30-5,414.20

Finding the Fourth Proportional to 11,246.20, 16,869.30 and 5,414.20

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Solution

The fourth proportional to 11,246.20, 16,869.30 and 5,414.20 is: 8,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.20 : 16,869.30 = 5,414.20 : x
  2. Step 2: Convert to fraction form
    11,246.20/16,869.30 = 5,414.20/x
  3. Step 3: Cross multiply
    11,246.20x = 16,869.30 × 5,414.20
  4. Step 4: Simplify right side
    11,246.20x = 91,333,764.06
  5. Step 5: Solve for x
    x = 91,333,764.06/11,246.20
  6. Step 6: Final answer
    x = 8,121.30

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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.