Home / 12,876.12-19,205.92-11,694.96

Finding the Fourth Proportional to 12,876.12, 19,205.92 and 11,694.96

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Solution

The fourth proportional to 12,876.12, 19,205.92 and 11,694.96 is: 17,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.12 : 19,205.92 = 11,694.96 : x
  2. Step 2: Convert to fraction form
    12,876.12/19,205.92 = 11,694.96/x
  3. Step 3: Cross multiply
    12,876.12x = 19,205.92 × 11,694.96
  4. Step 4: Simplify right side
    12,876.12x = 224,612,466.16
  5. Step 5: Solve for x
    x = 224,612,466.16/12,876.12
  6. Step 6: Final answer
    x = 17,444.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.