Home / 18,109.13-27,171.50-9,795

Finding the Fourth Proportional to 18,109.13, 27,171.50 and 9,795

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Solution

The fourth proportional to 18,109.13, 27,171.50 and 9,795 is: 14,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.13 : 27,171.50 = 9,795 : x
  2. Step 2: Convert to fraction form
    18,109.13/27,171.50 = 9,795/x
  3. Step 3: Cross multiply
    18,109.13x = 27,171.50 × 9,795
  4. Step 4: Simplify right side
    18,109.13x = 266,144,842.50
  5. Step 5: Solve for x
    x = 266,144,842.50/18,109.13
  6. Step 6: Final answer
    x = 14,696.72

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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.