Home / 13,711.10-20,566.46-3,322.94

Finding the Fourth Proportional to 13,711.10, 20,566.46 and 3,322.94

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Solution

The fourth proportional to 13,711.10, 20,566.46 and 3,322.94 is: 4,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.10 : 20,566.46 = 3,322.94 : x
  2. Step 2: Convert to fraction form
    13,711.10/20,566.46 = 3,322.94/x
  3. Step 3: Cross multiply
    13,711.10x = 20,566.46 × 3,322.94
  4. Step 4: Simplify right side
    13,711.10x = 68,341,112.59
  5. Step 5: Solve for x
    x = 68,341,112.59/13,711.10
  6. Step 6: Final answer
    x = 4,984.36

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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.