Home / 12,810.00-19,217.84-3,926.56

Finding the Fourth Proportional to 12,810.00, 19,217.84 and 3,926.56

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Solution

The fourth proportional to 12,810.00, 19,217.84 and 3,926.56 is: 5,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.00 : 19,217.84 = 3,926.56 : x
  2. Step 2: Convert to fraction form
    12,810.00/19,217.84 = 3,926.56/x
  3. Step 3: Cross multiply
    12,810.00x = 19,217.84 × 3,926.56
  4. Step 4: Simplify right side
    12,810.00x = 75,459,992.27
  5. Step 5: Solve for x
    x = 75,459,992.27/12,810.00
  6. Step 6: Final answer
    x = 5,890.71

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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.