Home / 19,306.84-28,954.50-6,824.56

Finding the Fourth Proportional to 19,306.84, 28,954.50 and 6,824.56

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Solution

The fourth proportional to 19,306.84, 28,954.50 and 6,824.56 is: 10,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.84 : 28,954.50 = 6,824.56 : x
  2. Step 2: Convert to fraction form
    19,306.84/28,954.50 = 6,824.56/x
  3. Step 3: Cross multiply
    19,306.84x = 28,954.50 × 6,824.56
  4. Step 4: Simplify right side
    19,306.84x = 197,601,722.52
  5. Step 5: Solve for x
    x = 197,601,722.52/19,306.84
  6. Step 6: Final answer
    x = 10,234.80

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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.