Home / 18,382.12-25,365.78-11,668.84

Finding the Fourth Proportional to 18,382.12, 25,365.78 and 11,668.84

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Solution

The fourth proportional to 18,382.12, 25,365.78 and 11,668.84 is: 16,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.12 : 25,365.78 = 11,668.84 : x
  2. Step 2: Convert to fraction form
    18,382.12/25,365.78 = 11,668.84/x
  3. Step 3: Cross multiply
    18,382.12x = 25,365.78 × 11,668.84
  4. Step 4: Simplify right side
    18,382.12x = 295,989,228.30
  5. Step 5: Solve for x
    x = 295,989,228.30/18,382.12
  6. Step 6: Final answer
    x = 16,102.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.