Home / 11,719.56-16,172.82-6,414.24

Finding the Fourth Proportional to 11,719.56, 16,172.82 and 6,414.24

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Solution

The fourth proportional to 11,719.56, 16,172.82 and 6,414.24 is: 8,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.56 : 16,172.82 = 6,414.24 : x
  2. Step 2: Convert to fraction form
    11,719.56/16,172.82 = 6,414.24/x
  3. Step 3: Cross multiply
    11,719.56x = 16,172.82 × 6,414.24
  4. Step 4: Simplify right side
    11,719.56x = 103,736,348.96
  5. Step 5: Solve for x
    x = 103,736,348.96/11,719.56
  6. Step 6: Final answer
    x = 8,851.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.