Home / 12,982.25-19,477.91-4,098.96

Finding the Fourth Proportional to 12,982.25, 19,477.91 and 4,098.96

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Solution

The fourth proportional to 12,982.25, 19,477.91 and 4,098.96 is: 6,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.25 : 19,477.91 = 4,098.96 : x
  2. Step 2: Convert to fraction form
    12,982.25/19,477.91 = 4,098.96/x
  3. Step 3: Cross multiply
    12,982.25x = 19,477.91 × 4,098.96
  4. Step 4: Simplify right side
    12,982.25x = 79,839,184.22
  5. Step 5: Solve for x
    x = 79,839,184.22/12,982.25
  6. Step 6: Final answer
    x = 6,149.87

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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.