Home / 18,377.74-27,560.76-7,847.56

Finding the Fourth Proportional to 18,377.74, 27,560.76 and 7,847.56

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Solution

The fourth proportional to 18,377.74, 27,560.76 and 7,847.56 is: 11,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.74 : 27,560.76 = 7,847.56 : x
  2. Step 2: Convert to fraction form
    18,377.74/27,560.76 = 7,847.56/x
  3. Step 3: Cross multiply
    18,377.74x = 27,560.76 × 7,847.56
  4. Step 4: Simplify right side
    18,377.74x = 216,284,717.75
  5. Step 5: Solve for x
    x = 216,284,717.75/18,377.74
  6. Step 6: Final answer
    x = 11,768.84

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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.