Home / 13,929.72-20,894.98-4,067.96

Finding the Fourth Proportional to 13,929.72, 20,894.98 and 4,067.96

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Solution

The fourth proportional to 13,929.72, 20,894.98 and 4,067.96 is: 6,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.72 : 20,894.98 = 4,067.96 : x
  2. Step 2: Convert to fraction form
    13,929.72/20,894.98 = 4,067.96/x
  3. Step 3: Cross multiply
    13,929.72x = 20,894.98 × 4,067.96
  4. Step 4: Simplify right side
    13,929.72x = 84,999,942.84
  5. Step 5: Solve for x
    x = 84,999,942.84/13,929.72
  6. Step 6: Final answer
    x = 6,102.06

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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.