Home / 13,500.70-20,241.44-5,173.68

Finding the Fourth Proportional to 13,500.70, 20,241.44 and 5,173.68

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Solution

The fourth proportional to 13,500.70, 20,241.44 and 5,173.68 is: 7,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.70 : 20,241.44 = 5,173.68 : x
  2. Step 2: Convert to fraction form
    13,500.70/20,241.44 = 5,173.68/x
  3. Step 3: Cross multiply
    13,500.70x = 20,241.44 × 5,173.68
  4. Step 4: Simplify right side
    13,500.70x = 104,722,733.30
  5. Step 5: Solve for x
    x = 104,722,733.30/13,500.70
  6. Step 6: Final answer
    x = 7,756.84

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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.