Home / 13,391.94-20,090.85-5,494.50

Finding the Fourth Proportional to 13,391.94, 20,090.85 and 5,494.50

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Solution

The fourth proportional to 13,391.94, 20,090.85 and 5,494.50 is: 8,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.94 : 20,090.85 = 5,494.50 : x
  2. Step 2: Convert to fraction form
    13,391.94/20,090.85 = 5,494.50/x
  3. Step 3: Cross multiply
    13,391.94x = 20,090.85 × 5,494.50
  4. Step 4: Simplify right side
    13,391.94x = 110,389,175.33
  5. Step 5: Solve for x
    x = 110,389,175.33/13,391.94
  6. Step 6: Final answer
    x = 8,242.96

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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.