Home / 13,684.16-20,526.24-3,823.70

Finding the Fourth Proportional to 13,684.16, 20,526.24 and 3,823.70

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Solution

The fourth proportional to 13,684.16, 20,526.24 and 3,823.70 is: 5,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.16 : 20,526.24 = 3,823.70 : x
  2. Step 2: Convert to fraction form
    13,684.16/20,526.24 = 3,823.70/x
  3. Step 3: Cross multiply
    13,684.16x = 20,526.24 × 3,823.70
  4. Step 4: Simplify right side
    13,684.16x = 78,486,183.89
  5. Step 5: Solve for x
    x = 78,486,183.89/13,684.16
  6. Step 6: Final answer
    x = 5,735.55

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1.5x scale

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.