Home / 19,741.76-27,241.00-12,677.75

Finding the Fourth Proportional to 19,741.76, 27,241.00 and 12,677.75

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Solution

The fourth proportional to 19,741.76, 27,241.00 and 12,677.75 is: 17,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.76 : 27,241.00 = 12,677.75 : x
  2. Step 2: Convert to fraction form
    19,741.76/27,241.00 = 12,677.75/x
  3. Step 3: Cross multiply
    19,741.76x = 27,241.00 × 12,677.75
  4. Step 4: Simplify right side
    19,741.76x = 345,354,419.85
  5. Step 5: Solve for x
    x = 345,354,419.85/19,741.76
  6. Step 6: Final answer
    x = 17,493.60

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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.