Home / 12,951.80-19,427.70-3,594.18

Finding the Fourth Proportional to 12,951.80, 19,427.70 and 3,594.18

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Solution

The fourth proportional to 12,951.80, 19,427.70 and 3,594.18 is: 5,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.80 : 19,427.70 = 3,594.18 : x
  2. Step 2: Convert to fraction form
    12,951.80/19,427.70 = 3,594.18/x
  3. Step 3: Cross multiply
    12,951.80x = 19,427.70 × 3,594.18
  4. Step 4: Simplify right side
    12,951.80x = 69,826,553.65
  5. Step 5: Solve for x
    x = 69,826,553.65/12,951.80
  6. Step 6: Final answer
    x = 5,391.26

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Similar ratio
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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.