Home / 13,523.53-20,285.34-4,163.49

Finding the Fourth Proportional to 13,523.53, 20,285.34 and 4,163.49

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Solution

The fourth proportional to 13,523.53, 20,285.34 and 4,163.49 is: 6,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.53 : 20,285.34 = 4,163.49 : x
  2. Step 2: Convert to fraction form
    13,523.53/20,285.34 = 4,163.49/x
  3. Step 3: Cross multiply
    13,523.53x = 20,285.34 × 4,163.49
  4. Step 4: Simplify right side
    13,523.53x = 84,457,810.24
  5. Step 5: Solve for x
    x = 84,457,810.24/13,523.53
  6. Step 6: Final answer
    x = 6,245.25

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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.