Home / 14,202.21-21,303.32-3,813.96

Finding the Fourth Proportional to 14,202.21, 21,303.32 and 3,813.96

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Solution

The fourth proportional to 14,202.21, 21,303.32 and 3,813.96 is: 5,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.21 : 21,303.32 = 3,813.96 : x
  2. Step 2: Convert to fraction form
    14,202.21/21,303.32 = 3,813.96/x
  3. Step 3: Cross multiply
    14,202.21x = 21,303.32 × 3,813.96
  4. Step 4: Simplify right side
    14,202.21x = 81,250,016.61
  5. Step 5: Solve for x
    x = 81,250,016.61/14,202.21
  6. Step 6: Final answer
    x = 5,720.94

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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.