Home / 18,744.04-28,121.82-6,433

Finding the Fourth Proportional to 18,744.04, 28,121.82 and 6,433

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Solution

The fourth proportional to 18,744.04, 28,121.82 and 6,433 is: 9,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.04 : 28,121.82 = 6,433 : x
  2. Step 2: Convert to fraction form
    18,744.04/28,121.82 = 6,433/x
  3. Step 3: Cross multiply
    18,744.04x = 28,121.82 × 6,433
  4. Step 4: Simplify right side
    18,744.04x = 180,907,668.06
  5. Step 5: Solve for x
    x = 180,907,668.06/18,744.04
  6. Step 6: Final answer
    x = 9,651.48

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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.