Home / 11,220.03-16,830.07-4,199.76

Finding the Fourth Proportional to 11,220.03, 16,830.07 and 4,199.76

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Solution

The fourth proportional to 11,220.03, 16,830.07 and 4,199.76 is: 6,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.03 : 16,830.07 = 4,199.76 : x
  2. Step 2: Convert to fraction form
    11,220.03/16,830.07 = 4,199.76/x
  3. Step 3: Cross multiply
    11,220.03x = 16,830.07 × 4,199.76
  4. Step 4: Simplify right side
    11,220.03x = 70,682,244.28
  5. Step 5: Solve for x
    x = 70,682,244.28/11,220.03
  6. Step 6: Final answer
    x = 6,299.65

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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.