Home / 18,141.49-27,212.82-4,993.93

Finding the Fourth Proportional to 18,141.49, 27,212.82 and 4,993.93

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Solution

The fourth proportional to 18,141.49, 27,212.82 and 4,993.93 is: 7,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.49 : 27,212.82 = 4,993.93 : x
  2. Step 2: Convert to fraction form
    18,141.49/27,212.82 = 4,993.93/x
  3. Step 3: Cross multiply
    18,141.49x = 27,212.82 × 4,993.93
  4. Step 4: Simplify right side
    18,141.49x = 135,898,918.18
  5. Step 5: Solve for x
    x = 135,898,918.18/18,141.49
  6. Step 6: Final answer
    x = 7,491.06

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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.