Home / 12,817.11-19,227.78-3,932.22

Finding the Fourth Proportional to 12,817.11, 19,227.78 and 3,932.22

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Solution

The fourth proportional to 12,817.11, 19,227.78 and 3,932.22 is: 5,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.11 : 19,227.78 = 3,932.22 : x
  2. Step 2: Convert to fraction form
    12,817.11/19,227.78 = 3,932.22/x
  3. Step 3: Cross multiply
    12,817.11x = 19,227.78 × 3,932.22
  4. Step 4: Simplify right side
    12,817.11x = 75,607,861.07
  5. Step 5: Solve for x
    x = 75,607,861.07/12,817.11
  6. Step 6: Final answer
    x = 5,898.98

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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.