Home / 18,068.96-27,084.91-6,971.29

Finding the Fourth Proportional to 18,068.96, 27,084.91 and 6,971.29

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Solution

The fourth proportional to 18,068.96, 27,084.91 and 6,971.29 is: 10,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.96 : 27,084.91 = 6,971.29 : x
  2. Step 2: Convert to fraction form
    18,068.96/27,084.91 = 6,971.29/x
  3. Step 3: Cross multiply
    18,068.96x = 27,084.91 × 6,971.29
  4. Step 4: Simplify right side
    18,068.96x = 188,816,762.23
  5. Step 5: Solve for x
    x = 188,816,762.23/18,068.96
  6. Step 6: Final answer
    x = 10,449.79

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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.