Home / 25,385.85-38,103.38-12,247.44

Finding the Fourth Proportional to 25,385.85, 38,103.38 and 12,247.44

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Solution

The fourth proportional to 25,385.85, 38,103.38 and 12,247.44 is: 18,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.85 : 38,103.38 = 12,247.44 : x
  2. Step 2: Convert to fraction form
    25,385.85/38,103.38 = 12,247.44/x
  3. Step 3: Cross multiply
    25,385.85x = 38,103.38 × 12,247.44
  4. Step 4: Simplify right side
    25,385.85x = 466,668,799.11
  5. Step 5: Solve for x
    x = 466,668,799.11/25,385.85
  6. Step 6: Final answer
    x = 18,383.03

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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.