Home / 13,557.93-20,334.85-3,697.99

Finding the Fourth Proportional to 13,557.93, 20,334.85 and 3,697.99

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Solution

The fourth proportional to 13,557.93, 20,334.85 and 3,697.99 is: 5,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.93 : 20,334.85 = 3,697.99 : x
  2. Step 2: Convert to fraction form
    13,557.93/20,334.85 = 3,697.99/x
  3. Step 3: Cross multiply
    13,557.93x = 20,334.85 × 3,697.99
  4. Step 4: Simplify right side
    13,557.93x = 75,198,011.87
  5. Step 5: Solve for x
    x = 75,198,011.87/13,557.93
  6. Step 6: Final answer
    x = 5,546.42

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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.