Home / 18,440.20-27,670.04-11,059.48

Finding the Fourth Proportional to 18,440.20, 27,670.04 and 11,059.48

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Solution

The fourth proportional to 18,440.20, 27,670.04 and 11,059.48 is: 16,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.20 : 27,670.04 = 11,059.48 : x
  2. Step 2: Convert to fraction form
    18,440.20/27,670.04 = 11,059.48/x
  3. Step 3: Cross multiply
    18,440.20x = 27,670.04 × 11,059.48
  4. Step 4: Simplify right side
    18,440.20x = 306,016,253.98
  5. Step 5: Solve for x
    x = 306,016,253.98/18,440.20
  6. Step 6: Final answer
    x = 16,595.06

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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.