Home / 13,557.87-20,329.52-4,193.87

Finding the Fourth Proportional to 13,557.87, 20,329.52 and 4,193.87

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Solution

The fourth proportional to 13,557.87, 20,329.52 and 4,193.87 is: 6,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.87 : 20,329.52 = 4,193.87 : x
  2. Step 2: Convert to fraction form
    13,557.87/20,329.52 = 4,193.87/x
  3. Step 3: Cross multiply
    13,557.87x = 20,329.52 × 4,193.87
  4. Step 4: Simplify right side
    13,557.87x = 85,259,241.43
  5. Step 5: Solve for x
    x = 85,259,241.43/13,557.87
  6. Step 6: Final answer
    x = 6,288.54

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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.