Home / 13,132.82-19,676.94-7,927.76

Finding the Fourth Proportional to 13,132.82, 19,676.94 and 7,927.76

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Solution

The fourth proportional to 13,132.82, 19,676.94 and 7,927.76 is: 11,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.82 : 19,676.94 = 7,927.76 : x
  2. Step 2: Convert to fraction form
    13,132.82/19,676.94 = 7,927.76/x
  3. Step 3: Cross multiply
    13,132.82x = 19,676.94 × 7,927.76
  4. Step 4: Simplify right side
    13,132.82x = 155,994,057.85
  5. Step 5: Solve for x
    x = 155,994,057.85/13,132.82
  6. Step 6: Final answer
    x = 11,878.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.