Home / 13,273.47-19,910.61-3,412.67

Finding the Fourth Proportional to 13,273.47, 19,910.61 and 3,412.67

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Solution

The fourth proportional to 13,273.47, 19,910.61 and 3,412.67 is: 5,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.47 : 19,910.61 = 3,412.67 : x
  2. Step 2: Convert to fraction form
    13,273.47/19,910.61 = 3,412.67/x
  3. Step 3: Cross multiply
    13,273.47x = 19,910.61 × 3,412.67
  4. Step 4: Simplify right side
    13,273.47x = 67,948,241.88
  5. Step 5: Solve for x
    x = 67,948,241.88/13,273.47
  6. Step 6: Final answer
    x = 5,119.10

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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.