Home / 18,084.74-27,131.24-6,991.52

Finding the Fourth Proportional to 18,084.74, 27,131.24 and 6,991.52

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Solution

The fourth proportional to 18,084.74, 27,131.24 and 6,991.52 is: 10,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.74 : 27,131.24 = 6,991.52 : x
  2. Step 2: Convert to fraction form
    18,084.74/27,131.24 = 6,991.52/x
  3. Step 3: Cross multiply
    18,084.74x = 27,131.24 × 6,991.52
  4. Step 4: Simplify right side
    18,084.74x = 189,688,607.08
  5. Step 5: Solve for x
    x = 189,688,607.08/18,084.74
  6. Step 6: Final answer
    x = 10,488.88

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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.