Home / 18,127.20-27,192.10-7,586.62

Finding the Fourth Proportional to 18,127.20, 27,192.10 and 7,586.62

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Solution

The fourth proportional to 18,127.20, 27,192.10 and 7,586.62 is: 11,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.20 : 27,192.10 = 7,586.62 : x
  2. Step 2: Convert to fraction form
    18,127.20/27,192.10 = 7,586.62/x
  3. Step 3: Cross multiply
    18,127.20x = 27,192.10 × 7,586.62
  4. Step 4: Simplify right side
    18,127.20x = 206,296,071.21
  5. Step 5: Solve for x
    x = 206,296,071.21/18,127.20
  6. Step 6: Final answer
    x = 11,380.47

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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.