Home / 16,999.18-25,503.84-8,121.16

Finding the Fourth Proportional to 16,999.18, 25,503.84 and 8,121.16

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Solution

The fourth proportional to 16,999.18, 25,503.84 and 8,121.16 is: 12,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.18 : 25,503.84 = 8,121.16 : x
  2. Step 2: Convert to fraction form
    16,999.18/25,503.84 = 8,121.16/x
  3. Step 3: Cross multiply
    16,999.18x = 25,503.84 × 8,121.16
  4. Step 4: Simplify right side
    16,999.18x = 207,120,765.25
  5. Step 5: Solve for x
    x = 207,120,765.25/16,999.18
  6. Step 6: Final answer
    x = 12,184.16

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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.