Home / 18,517.24-27,775.98-5,369.80

Finding the Fourth Proportional to 18,517.24, 27,775.98 and 5,369.80

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Solution

The fourth proportional to 18,517.24, 27,775.98 and 5,369.80 is: 8,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.24 : 27,775.98 = 5,369.80 : x
  2. Step 2: Convert to fraction form
    18,517.24/27,775.98 = 5,369.80/x
  3. Step 3: Cross multiply
    18,517.24x = 27,775.98 × 5,369.80
  4. Step 4: Simplify right side
    18,517.24x = 149,151,457.40
  5. Step 5: Solve for x
    x = 149,151,457.40/18,517.24
  6. Step 6: Final answer
    x = 8,054.73

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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.