Home / 17,177.70-25,766.55-13,491.30

Finding the Fourth Proportional to 17,177.70, 25,766.55 and 13,491.30

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Solution

The fourth proportional to 17,177.70, 25,766.55 and 13,491.30 is: 20,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.70 : 25,766.55 = 13,491.30 : x
  2. Step 2: Convert to fraction form
    17,177.70/25,766.55 = 13,491.30/x
  3. Step 3: Cross multiply
    17,177.70x = 25,766.55 × 13,491.30
  4. Step 4: Simplify right side
    17,177.70x = 347,624,256.02
  5. Step 5: Solve for x
    x = 347,624,256.02/17,177.70
  6. Step 6: Final answer
    x = 20,236.95

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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.