Home / 19,741.56-27,242.56-11,680.44

Finding the Fourth Proportional to 19,741.56, 27,242.56 and 11,680.44

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Solution

The fourth proportional to 19,741.56, 27,242.56 and 11,680.44 is: 16,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.56 : 27,242.56 = 11,680.44 : x
  2. Step 2: Convert to fraction form
    19,741.56/27,242.56 = 11,680.44/x
  3. Step 3: Cross multiply
    19,741.56x = 27,242.56 × 11,680.44
  4. Step 4: Simplify right side
    19,741.56x = 318,205,087.53
  5. Step 5: Solve for x
    x = 318,205,087.53/19,741.56
  6. Step 6: Final answer
    x = 16,118.54

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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.