Home / 13,847.52-20,771.26-3,459.28

Finding the Fourth Proportional to 13,847.52, 20,771.26 and 3,459.28

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Solution

The fourth proportional to 13,847.52, 20,771.26 and 3,459.28 is: 5,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.52 : 20,771.26 = 3,459.28 : x
  2. Step 2: Convert to fraction form
    13,847.52/20,771.26 = 3,459.28/x
  3. Step 3: Cross multiply
    13,847.52x = 20,771.26 × 3,459.28
  4. Step 4: Simplify right side
    13,847.52x = 71,853,604.29
  5. Step 5: Solve for x
    x = 71,853,604.29/13,847.52
  6. Step 6: Final answer
    x = 5,188.92

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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.