Home / 13,869.43-20,793.75-4,503.85

Finding the Fourth Proportional to 13,869.43, 20,793.75 and 4,503.85

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Solution

The fourth proportional to 13,869.43, 20,793.75 and 4,503.85 is: 6,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.43 : 20,793.75 = 4,503.85 : x
  2. Step 2: Convert to fraction form
    13,869.43/20,793.75 = 4,503.85/x
  3. Step 3: Cross multiply
    13,869.43x = 20,793.75 × 4,503.85
  4. Step 4: Simplify right side
    13,869.43x = 93,651,930.94
  5. Step 5: Solve for x
    x = 93,651,930.94/13,869.43
  6. Step 6: Final answer
    x = 6,752.40

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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.