Home / 11,724.44-16,179.50-6,419.13

Finding the Fourth Proportional to 11,724.44, 16,179.50 and 6,419.13

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Solution

The fourth proportional to 11,724.44, 16,179.50 and 6,419.13 is: 8,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.44 : 16,179.50 = 6,419.13 : x
  2. Step 2: Convert to fraction form
    11,724.44/16,179.50 = 6,419.13/x
  3. Step 3: Cross multiply
    11,724.44x = 16,179.50 × 6,419.13
  4. Step 4: Simplify right side
    11,724.44x = 103,858,281.74
  5. Step 5: Solve for x
    x = 103,858,281.74/11,724.44
  6. Step 6: Final answer
    x = 8,858.28

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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.