Home / 12,982.68-19,475.89-4,094.99

Finding the Fourth Proportional to 12,982.68, 19,475.89 and 4,094.99

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Solution

The fourth proportional to 12,982.68, 19,475.89 and 4,094.99 is: 6,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.68 : 19,475.89 = 4,094.99 : x
  2. Step 2: Convert to fraction form
    12,982.68/19,475.89 = 4,094.99/x
  3. Step 3: Cross multiply
    12,982.68x = 19,475.89 × 4,094.99
  4. Step 4: Simplify right side
    12,982.68x = 79,753,563.24
  5. Step 5: Solve for x
    x = 79,753,563.24/12,982.68
  6. Step 6: Final answer
    x = 6,143.07

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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.