Home / 13,724.98-20,589.38-4,364

Finding the Fourth Proportional to 13,724.98, 20,589.38 and 4,364

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Solution

The fourth proportional to 13,724.98, 20,589.38 and 4,364 is: 6,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.98 : 20,589.38 = 4,364 : x
  2. Step 2: Convert to fraction form
    13,724.98/20,589.38 = 4,364/x
  3. Step 3: Cross multiply
    13,724.98x = 20,589.38 × 4,364
  4. Step 4: Simplify right side
    13,724.98x = 89,852,054.32
  5. Step 5: Solve for x
    x = 89,852,054.32/13,724.98
  6. Step 6: Final answer
    x = 6,546.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.