Home / 11,719.49-16,173-6,414.41

Finding the Fourth Proportional to 11,719.49, 16,173 and 6,414.41

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Solution

The fourth proportional to 11,719.49, 16,173 and 6,414.41 is: 8,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.49 : 16,173 = 6,414.41 : x
  2. Step 2: Convert to fraction form
    11,719.49/16,173 = 6,414.41/x
  3. Step 3: Cross multiply
    11,719.49x = 16,173 × 6,414.41
  4. Step 4: Simplify right side
    11,719.49x = 103,740,202.39
  5. Step 5: Solve for x
    x = 103,740,202.39/11,719.49
  6. Step 6: Final answer
    x = 8,851.94

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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.