Home / 18,584.87-25,640.84-10,621.43

Finding the Fourth Proportional to 18,584.87, 25,640.84 and 10,621.43

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Solution

The fourth proportional to 18,584.87, 25,640.84 and 10,621.43 is: 14,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.87 : 25,640.84 = 10,621.43 : x
  2. Step 2: Convert to fraction form
    18,584.87/25,640.84 = 10,621.43/x
  3. Step 3: Cross multiply
    18,584.87x = 25,640.84 × 10,621.43
  4. Step 4: Simplify right side
    18,584.87x = 272,342,285.55
  5. Step 5: Solve for x
    x = 272,342,285.55/18,584.87
  6. Step 6: Final answer
    x = 14,653.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.