Home / 14,231.99-21,350.49-4,869.80

Finding the Fourth Proportional to 14,231.99, 21,350.49 and 4,869.80

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Solution

The fourth proportional to 14,231.99, 21,350.49 and 4,869.80 is: 7,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.99 : 21,350.49 = 4,869.80 : x
  2. Step 2: Convert to fraction form
    14,231.99/21,350.49 = 4,869.80/x
  3. Step 3: Cross multiply
    14,231.99x = 21,350.49 × 4,869.80
  4. Step 4: Simplify right side
    14,231.99x = 103,972,616.20
  5. Step 5: Solve for x
    x = 103,972,616.20/14,231.99
  6. Step 6: Final answer
    x = 7,305.56

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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.