Home / 18,311.72-25,265.94-12,354.44

Finding the Fourth Proportional to 18,311.72, 25,265.94 and 12,354.44

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Solution

The fourth proportional to 18,311.72, 25,265.94 and 12,354.44 is: 17,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.72 : 25,265.94 = 12,354.44 : x
  2. Step 2: Convert to fraction form
    18,311.72/25,265.94 = 12,354.44/x
  3. Step 3: Cross multiply
    18,311.72x = 25,265.94 × 12,354.44
  4. Step 4: Simplify right side
    18,311.72x = 312,146,539.77
  5. Step 5: Solve for x
    x = 312,146,539.77/18,311.72
  6. Step 6: Final answer
    x = 17,046.27

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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.