Home / 12,846.96-19,270.45-3,486.98

Finding the Fourth Proportional to 12,846.96, 19,270.45 and 3,486.98

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Solution

The fourth proportional to 12,846.96, 19,270.45 and 3,486.98 is: 5,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.96 : 19,270.45 = 3,486.98 : x
  2. Step 2: Convert to fraction form
    12,846.96/19,270.45 = 3,486.98/x
  3. Step 3: Cross multiply
    12,846.96x = 19,270.45 × 3,486.98
  4. Step 4: Simplify right side
    12,846.96x = 67,195,608.13
  5. Step 5: Solve for x
    x = 67,195,608.13/12,846.96
  6. Step 6: Final answer
    x = 5,230.47

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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.