Home / 11,769.35-17,638.44-5,518.17

Finding the Fourth Proportional to 11,769.35, 17,638.44 and 5,518.17

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Solution

The fourth proportional to 11,769.35, 17,638.44 and 5,518.17 is: 8,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.35 : 17,638.44 = 5,518.17 : x
  2. Step 2: Convert to fraction form
    11,769.35/17,638.44 = 5,518.17/x
  3. Step 3: Cross multiply
    11,769.35x = 17,638.44 × 5,518.17
  4. Step 4: Simplify right side
    11,769.35x = 97,331,910.45
  5. Step 5: Solve for x
    x = 97,331,910.45/11,769.35
  6. Step 6: Final answer
    x = 8,269.95

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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.