Home / 11,724.54-16,179.58-6,419.58

Finding the Fourth Proportional to 11,724.54, 16,179.58 and 6,419.58

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Solution

The fourth proportional to 11,724.54, 16,179.58 and 6,419.58 is: 8,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.54 : 16,179.58 = 6,419.58 : x
  2. Step 2: Convert to fraction form
    11,724.54/16,179.58 = 6,419.58/x
  3. Step 3: Cross multiply
    11,724.54x = 16,179.58 × 6,419.58
  4. Step 4: Simplify right side
    11,724.54x = 103,866,108.18
  5. Step 5: Solve for x
    x = 103,866,108.18/11,724.54
  6. Step 6: Final answer
    x = 8,858.86

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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.