Home / 18,084.73-27,131.24-6,991.51

Finding the Fourth Proportional to 18,084.73, 27,131.24 and 6,991.51

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Solution

The fourth proportional to 18,084.73, 27,131.24 and 6,991.51 is: 10,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.73 : 27,131.24 = 6,991.51 : x
  2. Step 2: Convert to fraction form
    18,084.73/27,131.24 = 6,991.51/x
  3. Step 3: Cross multiply
    18,084.73x = 27,131.24 × 6,991.51
  4. Step 4: Simplify right side
    18,084.73x = 189,688,335.77
  5. Step 5: Solve for x
    x = 189,688,335.77/18,084.73
  6. Step 6: Final answer
    x = 10,488.87

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1.5x scale

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.