Home / 13,491.11-20,245.87-4,725.90

Finding the Fourth Proportional to 13,491.11, 20,245.87 and 4,725.90

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Solution

The fourth proportional to 13,491.11, 20,245.87 and 4,725.90 is: 7,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.11 : 20,245.87 = 4,725.90 : x
  2. Step 2: Convert to fraction form
    13,491.11/20,245.87 = 4,725.90/x
  3. Step 3: Cross multiply
    13,491.11x = 20,245.87 × 4,725.90
  4. Step 4: Simplify right side
    13,491.11x = 95,679,957.03
  5. Step 5: Solve for x
    x = 95,679,957.03/13,491.11
  6. Step 6: Final answer
    x = 7,092.07

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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.