Home / 18,180.18-27,273.51-6,509.70

Finding the Fourth Proportional to 18,180.18, 27,273.51 and 6,509.70

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Solution

The fourth proportional to 18,180.18, 27,273.51 and 6,509.70 is: 9,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.18 : 27,273.51 = 6,509.70 : x
  2. Step 2: Convert to fraction form
    18,180.18/27,273.51 = 6,509.70/x
  3. Step 3: Cross multiply
    18,180.18x = 27,273.51 × 6,509.70
  4. Step 4: Simplify right side
    18,180.18x = 177,542,368.05
  5. Step 5: Solve for x
    x = 177,542,368.05/18,180.18
  6. Step 6: Final answer
    x = 9,765.71

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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.