Home / 18,327.78-27,491.88-5,847.72

Finding the Fourth Proportional to 18,327.78, 27,491.88 and 5,847.72

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Solution

The fourth proportional to 18,327.78, 27,491.88 and 5,847.72 is: 8,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.78 : 27,491.88 = 5,847.72 : x
  2. Step 2: Convert to fraction form
    18,327.78/27,491.88 = 5,847.72/x
  3. Step 3: Cross multiply
    18,327.78x = 27,491.88 × 5,847.72
  4. Step 4: Simplify right side
    18,327.78x = 160,764,816.51
  5. Step 5: Solve for x
    x = 160,764,816.51/18,327.78
  6. Step 6: Final answer
    x = 8,771.65

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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.