Home / 13,711.10-20,566.75-3,322.85

Finding the Fourth Proportional to 13,711.10, 20,566.75 and 3,322.85

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Solution

The fourth proportional to 13,711.10, 20,566.75 and 3,322.85 is: 4,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.10 : 20,566.75 = 3,322.85 : x
  2. Step 2: Convert to fraction form
    13,711.10/20,566.75 = 3,322.85/x
  3. Step 3: Cross multiply
    13,711.10x = 20,566.75 × 3,322.85
  4. Step 4: Simplify right side
    13,711.10x = 68,340,122.40
  5. Step 5: Solve for x
    x = 68,340,122.40/13,711.10
  6. Step 6: Final answer
    x = 4,984.29

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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.