Home / 18,029.49-27,031.27-8,163.69

Finding the Fourth Proportional to 18,029.49, 27,031.27 and 8,163.69

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Solution

The fourth proportional to 18,029.49, 27,031.27 and 8,163.69 is: 12,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.49 : 27,031.27 = 8,163.69 : x
  2. Step 2: Convert to fraction form
    18,029.49/27,031.27 = 8,163.69/x
  3. Step 3: Cross multiply
    18,029.49x = 27,031.27 × 8,163.69
  4. Step 4: Simplify right side
    18,029.49x = 220,674,908.59
  5. Step 5: Solve for x
    x = 220,674,908.59/18,029.49
  6. Step 6: Final answer
    x = 12,239.66

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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.