Home / 11,128.19-16,692.79-6,194.11

Finding the Fourth Proportional to 11,128.19, 16,692.79 and 6,194.11

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Solution

The fourth proportional to 11,128.19, 16,692.79 and 6,194.11 is: 9,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.19 : 16,692.79 = 6,194.11 : x
  2. Step 2: Convert to fraction form
    11,128.19/16,692.79 = 6,194.11/x
  3. Step 3: Cross multiply
    11,128.19x = 16,692.79 × 6,194.11
  4. Step 4: Simplify right side
    11,128.19x = 103,396,944.04
  5. Step 5: Solve for x
    x = 103,396,944.04/11,128.19
  6. Step 6: Final answer
    x = 9,291.45

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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.