Home / 11,724.37-16,179.63-6,419.18

Finding the Fourth Proportional to 11,724.37, 16,179.63 and 6,419.18

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Solution

The fourth proportional to 11,724.37, 16,179.63 and 6,419.18 is: 8,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.37 : 16,179.63 = 6,419.18 : x
  2. Step 2: Convert to fraction form
    11,724.37/16,179.63 = 6,419.18/x
  3. Step 3: Cross multiply
    11,724.37x = 16,179.63 × 6,419.18
  4. Step 4: Simplify right side
    11,724.37x = 103,859,957.30
  5. Step 5: Solve for x
    x = 103,859,957.30/11,724.37
  6. Step 6: Final answer
    x = 8,858.47

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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.