Home / 19,907.33-27,480.74-13,181.09

Finding the Fourth Proportional to 19,907.33, 27,480.74 and 13,181.09

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Solution

The fourth proportional to 19,907.33, 27,480.74 and 13,181.09 is: 18,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.33 : 27,480.74 = 13,181.09 : x
  2. Step 2: Convert to fraction form
    19,907.33/27,480.74 = 13,181.09/x
  3. Step 3: Cross multiply
    19,907.33x = 27,480.74 × 13,181.09
  4. Step 4: Simplify right side
    19,907.33x = 362,225,903.90
  5. Step 5: Solve for x
    x = 362,225,903.90/19,907.33
  6. Step 6: Final answer
    x = 18,195.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.