Home / 17,927.82-26,861.82-12,654.18

Finding the Fourth Proportional to 17,927.82, 26,861.82 and 12,654.18

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Solution

The fourth proportional to 17,927.82, 26,861.82 and 12,654.18 is: 18,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.82 : 26,861.82 = 12,654.18 : x
  2. Step 2: Convert to fraction form
    17,927.82/26,861.82 = 12,654.18/x
  3. Step 3: Cross multiply
    17,927.82x = 26,861.82 × 12,654.18
  4. Step 4: Simplify right side
    17,927.82x = 339,914,305.41
  5. Step 5: Solve for x
    x = 339,914,305.41/17,927.82
  6. Step 6: Final answer
    x = 18,960.16

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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.