Home / 13,910.40-20,863.17-4,048.65

Finding the Fourth Proportional to 13,910.40, 20,863.17 and 4,048.65

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Solution

The fourth proportional to 13,910.40, 20,863.17 and 4,048.65 is: 6,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.40 : 20,863.17 = 4,048.65 : x
  2. Step 2: Convert to fraction form
    13,910.40/20,863.17 = 4,048.65/x
  3. Step 3: Cross multiply
    13,910.40x = 20,863.17 × 4,048.65
  4. Step 4: Simplify right side
    13,910.40x = 84,467,673.22
  5. Step 5: Solve for x
    x = 84,467,673.22/13,910.40
  6. Step 6: Final answer
    x = 6,072.27

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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.