Home / 18,108.99-27,151.79-7,576.16

Finding the Fourth Proportional to 18,108.99, 27,151.79 and 7,576.16

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Solution

The fourth proportional to 18,108.99, 27,151.79 and 7,576.16 is: 11,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.99 : 27,151.79 = 7,576.16 : x
  2. Step 2: Convert to fraction form
    18,108.99/27,151.79 = 7,576.16/x
  3. Step 3: Cross multiply
    18,108.99x = 27,151.79 × 7,576.16
  4. Step 4: Simplify right side
    18,108.99x = 205,706,131.69
  5. Step 5: Solve for x
    x = 205,706,131.69/18,108.99
  6. Step 6: Final answer
    x = 11,359.34

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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.