Home / 20,083.98-27,714.55-11,132.31

Finding the Fourth Proportional to 20,083.98, 27,714.55 and 11,132.31

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Solution

The fourth proportional to 20,083.98, 27,714.55 and 11,132.31 is: 15,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.98 : 27,714.55 = 11,132.31 : x
  2. Step 2: Convert to fraction form
    20,083.98/27,714.55 = 11,132.31/x
  3. Step 3: Cross multiply
    20,083.98x = 27,714.55 × 11,132.31
  4. Step 4: Simplify right side
    20,083.98x = 308,526,962.11
  5. Step 5: Solve for x
    x = 308,526,962.11/20,083.98
  6. Step 6: Final answer
    x = 15,361.84

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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.