Home / 11,724.19-16,179.24-6,418.90

Finding the Fourth Proportional to 11,724.19, 16,179.24 and 6,418.90

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Solution

The fourth proportional to 11,724.19, 16,179.24 and 6,418.90 is: 8,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.19 : 16,179.24 = 6,418.90 : x
  2. Step 2: Convert to fraction form
    11,724.19/16,179.24 = 6,418.90/x
  3. Step 3: Cross multiply
    11,724.19x = 16,179.24 × 6,418.90
  4. Step 4: Simplify right side
    11,724.19x = 103,852,876.92
  5. Step 5: Solve for x
    x = 103,852,876.92/11,724.19
  6. Step 6: Final answer
    x = 8,858.00

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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.