Home / 13,636.46-18,809.06-8,847.85

Finding the Fourth Proportional to 13,636.46, 18,809.06 and 8,847.85

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Solution

The fourth proportional to 13,636.46, 18,809.06 and 8,847.85 is: 12,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.46 : 18,809.06 = 8,847.85 : x
  2. Step 2: Convert to fraction form
    13,636.46/18,809.06 = 8,847.85/x
  3. Step 3: Cross multiply
    13,636.46x = 18,809.06 × 8,847.85
  4. Step 4: Simplify right side
    13,636.46x = 166,419,647.48
  5. Step 5: Solve for x
    x = 166,419,647.48/13,636.46
  6. Step 6: Final answer
    x = 12,204.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.