Home / 13,352.68-20,029.54-3,992.84

Finding the Fourth Proportional to 13,352.68, 20,029.54 and 3,992.84

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Solution

The fourth proportional to 13,352.68, 20,029.54 and 3,992.84 is: 5,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.68 : 20,029.54 = 3,992.84 : x
  2. Step 2: Convert to fraction form
    13,352.68/20,029.54 = 3,992.84/x
  3. Step 3: Cross multiply
    13,352.68x = 20,029.54 × 3,992.84
  4. Step 4: Simplify right side
    13,352.68x = 79,974,748.49
  5. Step 5: Solve for x
    x = 79,974,748.49/13,352.68
  6. Step 6: Final answer
    x = 5,989.42

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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.