Home / 13,609.80-20,408.32-8,063.93

Finding the Fourth Proportional to 13,609.80, 20,408.32 and 8,063.93

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Solution

The fourth proportional to 13,609.80, 20,408.32 and 8,063.93 is: 12,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.80 : 20,408.32 = 8,063.93 : x
  2. Step 2: Convert to fraction form
    13,609.80/20,408.32 = 8,063.93/x
  3. Step 3: Cross multiply
    13,609.80x = 20,408.32 × 8,063.93
  4. Step 4: Simplify right side
    13,609.80x = 164,571,263.90
  5. Step 5: Solve for x
    x = 164,571,263.90/13,609.80
  6. Step 6: Final answer
    x = 12,092.11

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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.