Home / 10,324.46-15,489.43-6,628.43

Finding the Fourth Proportional to 10,324.46, 15,489.43 and 6,628.43

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Solution

The fourth proportional to 10,324.46, 15,489.43 and 6,628.43 is: 9,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.46 : 15,489.43 = 6,628.43 : x
  2. Step 2: Convert to fraction form
    10,324.46/15,489.43 = 6,628.43/x
  3. Step 3: Cross multiply
    10,324.46x = 15,489.43 × 6,628.43
  4. Step 4: Simplify right side
    10,324.46x = 102,670,624.65
  5. Step 5: Solve for x
    x = 102,670,624.65/10,324.46
  6. Step 6: Final answer
    x = 9,944.40

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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.