Home / 19,962.43-27,549.36-11,009.90

Finding the Fourth Proportional to 19,962.43, 27,549.36 and 11,009.90

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Solution

The fourth proportional to 19,962.43, 27,549.36 and 11,009.90 is: 15,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.43 : 27,549.36 = 11,009.90 : x
  2. Step 2: Convert to fraction form
    19,962.43/27,549.36 = 11,009.90/x
  3. Step 3: Cross multiply
    19,962.43x = 27,549.36 × 11,009.90
  4. Step 4: Simplify right side
    19,962.43x = 303,315,767.54
  5. Step 5: Solve for x
    x = 303,315,767.54/19,962.43
  6. Step 6: Final answer
    x = 15,194.33

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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.