Home / 16,679.88-25,025.28-5,591.80

Finding the Fourth Proportional to 16,679.88, 25,025.28 and 5,591.80

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Solution

The fourth proportional to 16,679.88, 25,025.28 and 5,591.80 is: 8,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.88 : 25,025.28 = 5,591.80 : x
  2. Step 2: Convert to fraction form
    16,679.88/25,025.28 = 5,591.80/x
  3. Step 3: Cross multiply
    16,679.88x = 25,025.28 × 5,591.80
  4. Step 4: Simplify right side
    16,679.88x = 139,936,360.70
  5. Step 5: Solve for x
    x = 139,936,360.70/16,679.88
  6. Step 6: Final answer
    x = 8,389.53

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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.