Home / 11,146.96-16,720.26-2,713.56

Finding the Fourth Proportional to 11,146.96, 16,720.26 and 2,713.56

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Solution

The fourth proportional to 11,146.96, 16,720.26 and 2,713.56 is: 4,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.96 : 16,720.26 = 2,713.56 : x
  2. Step 2: Convert to fraction form
    11,146.96/16,720.26 = 2,713.56/x
  3. Step 3: Cross multiply
    11,146.96x = 16,720.26 × 2,713.56
  4. Step 4: Simplify right side
    11,146.96x = 45,371,428.73
  5. Step 5: Solve for x
    x = 45,371,428.73/11,146.96
  6. Step 6: Final answer
    x = 4,070.30

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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.