Home / 11,769.06-17,657.64-7,381.38

Finding the Fourth Proportional to 11,769.06, 17,657.64 and 7,381.38

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Solution

The fourth proportional to 11,769.06, 17,657.64 and 7,381.38 is: 11,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.06 : 17,657.64 = 7,381.38 : x
  2. Step 2: Convert to fraction form
    11,769.06/17,657.64 = 7,381.38/x
  3. Step 3: Cross multiply
    11,769.06x = 17,657.64 × 7,381.38
  4. Step 4: Simplify right side
    11,769.06x = 130,337,750.74
  5. Step 5: Solve for x
    x = 130,337,750.74/11,769.06
  6. Step 6: Final answer
    x = 11,074.61

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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.