Home / 13,942.83-20,908.51-6,920.27

Finding the Fourth Proportional to 13,942.83, 20,908.51 and 6,920.27

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Solution

The fourth proportional to 13,942.83, 20,908.51 and 6,920.27 is: 10,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.83 : 20,908.51 = 6,920.27 : x
  2. Step 2: Convert to fraction form
    13,942.83/20,908.51 = 6,920.27/x
  3. Step 3: Cross multiply
    13,942.83x = 20,908.51 × 6,920.27
  4. Step 4: Simplify right side
    13,942.83x = 144,692,395.35
  5. Step 5: Solve for x
    x = 144,692,395.35/13,942.83
  6. Step 6: Final answer
    x = 10,377.55

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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.