Home / 10,342.94-15,516.99-3,323.57

Finding the Fourth Proportional to 10,342.94, 15,516.99 and 3,323.57

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Solution

The fourth proportional to 10,342.94, 15,516.99 and 3,323.57 is: 4,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.94 : 15,516.99 = 3,323.57 : x
  2. Step 2: Convert to fraction form
    10,342.94/15,516.99 = 3,323.57/x
  3. Step 3: Cross multiply
    10,342.94x = 15,516.99 × 3,323.57
  4. Step 4: Simplify right side
    10,342.94x = 51,571,724.87
  5. Step 5: Solve for x
    x = 51,571,724.87/10,342.94
  6. Step 6: Final answer
    x = 4,986.18

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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.