Home / 18,610.56-27,926.10-8,222.04

Finding the Fourth Proportional to 18,610.56, 27,926.10 and 8,222.04

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Solution

The fourth proportional to 18,610.56, 27,926.10 and 8,222.04 is: 12,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.56 : 27,926.10 = 8,222.04 : x
  2. Step 2: Convert to fraction form
    18,610.56/27,926.10 = 8,222.04/x
  3. Step 3: Cross multiply
    18,610.56x = 27,926.10 × 8,222.04
  4. Step 4: Simplify right side
    18,610.56x = 229,609,511.24
  5. Step 5: Solve for x
    x = 229,609,511.24/18,610.56
  6. Step 6: Final answer
    x = 12,337.59

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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.