Home / 18,156.03-27,234.05-8,292.66

Finding the Fourth Proportional to 18,156.03, 27,234.05 and 8,292.66

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Solution

The fourth proportional to 18,156.03, 27,234.05 and 8,292.66 is: 12,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.03 : 27,234.05 = 8,292.66 : x
  2. Step 2: Convert to fraction form
    18,156.03/27,234.05 = 8,292.66/x
  3. Step 3: Cross multiply
    18,156.03x = 27,234.05 × 8,292.66
  4. Step 4: Simplify right side
    18,156.03x = 225,842,675.61
  5. Step 5: Solve for x
    x = 225,842,675.61/18,156.03
  6. Step 6: Final answer
    x = 12,438.99

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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.