Home / 13,724.37-18,936.63-8,943.84

Finding the Fourth Proportional to 13,724.37, 18,936.63 and 8,943.84

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Solution

The fourth proportional to 13,724.37, 18,936.63 and 8,943.84 is: 12,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.37 : 18,936.63 = 8,943.84 : x
  2. Step 2: Convert to fraction form
    13,724.37/18,936.63 = 8,943.84/x
  3. Step 3: Cross multiply
    13,724.37x = 18,936.63 × 8,943.84
  4. Step 4: Simplify right side
    13,724.37x = 169,366,188.86
  5. Step 5: Solve for x
    x = 169,366,188.86/13,724.37
  6. Step 6: Final answer
    x = 12,340.54

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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.