Home / 13,185.92-19,778.84-3,325.98

Finding the Fourth Proportional to 13,185.92, 19,778.84 and 3,325.98

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Solution

The fourth proportional to 13,185.92, 19,778.84 and 3,325.98 is: 4,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.92 : 19,778.84 = 3,325.98 : x
  2. Step 2: Convert to fraction form
    13,185.92/19,778.84 = 3,325.98/x
  3. Step 3: Cross multiply
    13,185.92x = 19,778.84 × 3,325.98
  4. Step 4: Simplify right side
    13,185.92x = 65,784,026.26
  5. Step 5: Solve for x
    x = 65,784,026.26/13,185.92
  6. Step 6: Final answer
    x = 4,988.96

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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.