Home / 13,763.08-20,638.09-4,400.90

Finding the Fourth Proportional to 13,763.08, 20,638.09 and 4,400.90

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Solution

The fourth proportional to 13,763.08, 20,638.09 and 4,400.90 is: 6,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.08 : 20,638.09 = 4,400.90 : x
  2. Step 2: Convert to fraction form
    13,763.08/20,638.09 = 4,400.90/x
  3. Step 3: Cross multiply
    13,763.08x = 20,638.09 × 4,400.90
  4. Step 4: Simplify right side
    13,763.08x = 90,826,149.98
  5. Step 5: Solve for x
    x = 90,826,149.98/13,763.08
  6. Step 6: Final answer
    x = 6,599.26

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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.