Home / 18,380.12-27,573.42-7,288.52

Finding the Fourth Proportional to 18,380.12, 27,573.42 and 7,288.52

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Solution

The fourth proportional to 18,380.12, 27,573.42 and 7,288.52 is: 10,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.12 : 27,573.42 = 7,288.52 : x
  2. Step 2: Convert to fraction form
    18,380.12/27,573.42 = 7,288.52/x
  3. Step 3: Cross multiply
    18,380.12x = 27,573.42 × 7,288.52
  4. Step 4: Simplify right side
    18,380.12x = 200,969,423.14
  5. Step 5: Solve for x
    x = 200,969,423.14/18,380.12
  6. Step 6: Final answer
    x = 10,934.06

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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.