Home / 13,684.56-20,529-5,895.60

Finding the Fourth Proportional to 13,684.56, 20,529 and 5,895.60

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Solution

The fourth proportional to 13,684.56, 20,529 and 5,895.60 is: 8,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.56 : 20,529 = 5,895.60 : x
  2. Step 2: Convert to fraction form
    13,684.56/20,529 = 5,895.60/x
  3. Step 3: Cross multiply
    13,684.56x = 20,529 × 5,895.60
  4. Step 4: Simplify right side
    13,684.56x = 121,030,772.40
  5. Step 5: Solve for x
    x = 121,030,772.40/13,684.56
  6. Step 6: Final answer
    x = 8,844.33

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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.