Home / 18,001.43-27,006.50-6,756.87

Finding the Fourth Proportional to 18,001.43, 27,006.50 and 6,756.87

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Solution

The fourth proportional to 18,001.43, 27,006.50 and 6,756.87 is: 10,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.43 : 27,006.50 = 6,756.87 : x
  2. Step 2: Convert to fraction form
    18,001.43/27,006.50 = 6,756.87/x
  3. Step 3: Cross multiply
    18,001.43x = 27,006.50 × 6,756.87
  4. Step 4: Simplify right side
    18,001.43x = 182,479,409.66
  5. Step 5: Solve for x
    x = 182,479,409.66/18,001.43
  6. Step 6: Final answer
    x = 10,136.94

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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.