Home / 18,072.30-27,108.45-8,230.80

Finding the Fourth Proportional to 18,072.30, 27,108.45 and 8,230.80

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Solution

The fourth proportional to 18,072.30, 27,108.45 and 8,230.80 is: 12,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.30 : 27,108.45 = 8,230.80 : x
  2. Step 2: Convert to fraction form
    18,072.30/27,108.45 = 8,230.80/x
  3. Step 3: Cross multiply
    18,072.30x = 27,108.45 × 8,230.80
  4. Step 4: Simplify right side
    18,072.30x = 223,124,230.26
  5. Step 5: Solve for x
    x = 223,124,230.26/18,072.30
  6. Step 6: Final answer
    x = 12,346.20

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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.