Home / 14,249.60-21,376.70-4,388.88

Finding the Fourth Proportional to 14,249.60, 21,376.70 and 4,388.88

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Solution

The fourth proportional to 14,249.60, 21,376.70 and 4,388.88 is: 6,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.60 : 21,376.70 = 4,388.88 : x
  2. Step 2: Convert to fraction form
    14,249.60/21,376.70 = 4,388.88/x
  3. Step 3: Cross multiply
    14,249.60x = 21,376.70 × 4,388.88
  4. Step 4: Simplify right side
    14,249.60x = 93,819,717.65
  5. Step 5: Solve for x
    x = 93,819,717.65/14,249.60
  6. Step 6: Final answer
    x = 6,584.02

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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.