Home / 18,485.13-27,724.24-6,005.28

Finding the Fourth Proportional to 18,485.13, 27,724.24 and 6,005.28

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Solution

The fourth proportional to 18,485.13, 27,724.24 and 6,005.28 is: 9,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.13 : 27,724.24 = 6,005.28 : x
  2. Step 2: Convert to fraction form
    18,485.13/27,724.24 = 6,005.28/x
  3. Step 3: Cross multiply
    18,485.13x = 27,724.24 × 6,005.28
  4. Step 4: Simplify right side
    18,485.13x = 166,491,823.99
  5. Step 5: Solve for x
    x = 166,491,823.99/18,485.13
  6. Step 6: Final answer
    x = 9,006.80

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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.