Home / 14,571.69-21,855.20-5,209.96

Finding the Fourth Proportional to 14,571.69, 21,855.20 and 5,209.96

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Solution

The fourth proportional to 14,571.69, 21,855.20 and 5,209.96 is: 7,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.69 : 21,855.20 = 5,209.96 : x
  2. Step 2: Convert to fraction form
    14,571.69/21,855.20 = 5,209.96/x
  3. Step 3: Cross multiply
    14,571.69x = 21,855.20 × 5,209.96
  4. Step 4: Simplify right side
    14,571.69x = 113,864,707.39
  5. Step 5: Solve for x
    x = 113,864,707.39/14,571.69
  6. Step 6: Final answer
    x = 7,814.11

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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.