Home / 13,714.07-20,568.66-4,949.06

Finding the Fourth Proportional to 13,714.07, 20,568.66 and 4,949.06

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Solution

The fourth proportional to 13,714.07, 20,568.66 and 4,949.06 is: 7,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.07 : 20,568.66 = 4,949.06 : x
  2. Step 2: Convert to fraction form
    13,714.07/20,568.66 = 4,949.06/x
  3. Step 3: Cross multiply
    13,714.07x = 20,568.66 × 4,949.06
  4. Step 4: Simplify right side
    13,714.07x = 101,795,429.62
  5. Step 5: Solve for x
    x = 101,795,429.62/13,714.07
  6. Step 6: Final answer
    x = 7,422.70

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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.