Home / 11,134.56-16,692.12-5,580.12

Finding the Fourth Proportional to 11,134.56, 16,692.12 and 5,580.12

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Solution

The fourth proportional to 11,134.56, 16,692.12 and 5,580.12 is: 8,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.56 : 16,692.12 = 5,580.12 : x
  2. Step 2: Convert to fraction form
    11,134.56/16,692.12 = 5,580.12/x
  3. Step 3: Cross multiply
    11,134.56x = 16,692.12 × 5,580.12
  4. Step 4: Simplify right side
    11,134.56x = 93,144,032.65
  5. Step 5: Solve for x
    x = 93,144,032.65/11,134.56
  6. Step 6: Final answer
    x = 8,365.31

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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.