Home / 11,104.24-16,664.48-8,190.40

Finding the Fourth Proportional to 11,104.24, 16,664.48 and 8,190.40

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Solution

The fourth proportional to 11,104.24, 16,664.48 and 8,190.40 is: 12,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.24 : 16,664.48 = 8,190.40 : x
  2. Step 2: Convert to fraction form
    11,104.24/16,664.48 = 8,190.40/x
  3. Step 3: Cross multiply
    11,104.24x = 16,664.48 × 8,190.40
  4. Step 4: Simplify right side
    11,104.24x = 136,488,756.99
  5. Step 5: Solve for x
    x = 136,488,756.99/11,104.24
  6. Step 6: Final answer
    x = 12,291.59

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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.