Home / 13,684.43-20,526.70-3,823.69

Finding the Fourth Proportional to 13,684.43, 20,526.70 and 3,823.69

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Solution

The fourth proportional to 13,684.43, 20,526.70 and 3,823.69 is: 5,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.43 : 20,526.70 = 3,823.69 : x
  2. Step 2: Convert to fraction form
    13,684.43/20,526.70 = 3,823.69/x
  3. Step 3: Cross multiply
    13,684.43x = 20,526.70 × 3,823.69
  4. Step 4: Simplify right side
    13,684.43x = 78,487,737.52
  5. Step 5: Solve for x
    x = 78,487,737.52/13,684.43
  6. Step 6: Final answer
    x = 5,735.55

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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.