Home / 14,620.87-21,933.47-4,231.27

Finding the Fourth Proportional to 14,620.87, 21,933.47 and 4,231.27

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Solution

The fourth proportional to 14,620.87, 21,933.47 and 4,231.27 is: 6,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.87 : 21,933.47 = 4,231.27 : x
  2. Step 2: Convert to fraction form
    14,620.87/21,933.47 = 4,231.27/x
  3. Step 3: Cross multiply
    14,620.87x = 21,933.47 × 4,231.27
  4. Step 4: Simplify right side
    14,620.87x = 92,806,433.61
  5. Step 5: Solve for x
    x = 92,806,433.61/14,620.87
  6. Step 6: Final answer
    x = 6,347.53

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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.