Home / 20,104.99-27,748.08-12,148.36

Finding the Fourth Proportional to 20,104.99, 27,748.08 and 12,148.36

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Solution

The fourth proportional to 20,104.99, 27,748.08 and 12,148.36 is: 16,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.99 : 27,748.08 = 12,148.36 : x
  2. Step 2: Convert to fraction form
    20,104.99/27,748.08 = 12,148.36/x
  3. Step 3: Cross multiply
    20,104.99x = 27,748.08 × 12,148.36
  4. Step 4: Simplify right side
    20,104.99x = 337,093,665.15
  5. Step 5: Solve for x
    x = 337,093,665.15/20,104.99
  6. Step 6: Final answer
    x = 16,766.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.