Home / 11,259.84-16,890.30-3,469.80

Finding the Fourth Proportional to 11,259.84, 16,890.30 and 3,469.80

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Solution

The fourth proportional to 11,259.84, 16,890.30 and 3,469.80 is: 5,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.84 : 16,890.30 = 3,469.80 : x
  2. Step 2: Convert to fraction form
    11,259.84/16,890.30 = 3,469.80/x
  3. Step 3: Cross multiply
    11,259.84x = 16,890.30 × 3,469.80
  4. Step 4: Simplify right side
    11,259.84x = 58,605,962.94
  5. Step 5: Solve for x
    x = 58,605,962.94/11,259.84
  6. Step 6: Final answer
    x = 5,204.87

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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.