Home / 18,180.82-27,271.30-5,530.70

Finding the Fourth Proportional to 18,180.82, 27,271.30 and 5,530.70

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Solution

The fourth proportional to 18,180.82, 27,271.30 and 5,530.70 is: 8,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.82 : 27,271.30 = 5,530.70 : x
  2. Step 2: Convert to fraction form
    18,180.82/27,271.30 = 5,530.70/x
  3. Step 3: Cross multiply
    18,180.82x = 27,271.30 × 5,530.70
  4. Step 4: Simplify right side
    18,180.82x = 150,829,378.91
  5. Step 5: Solve for x
    x = 150,829,378.91/18,180.82
  6. Step 6: Final answer
    x = 8,296.07

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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.