Home / 11,375.03-17,048.94-7,428.18

Finding the Fourth Proportional to 11,375.03, 17,048.94 and 7,428.18

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Solution

The fourth proportional to 11,375.03, 17,048.94 and 7,428.18 is: 11,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.03 : 17,048.94 = 7,428.18 : x
  2. Step 2: Convert to fraction form
    11,375.03/17,048.94 = 7,428.18/x
  3. Step 3: Cross multiply
    11,375.03x = 17,048.94 × 7,428.18
  4. Step 4: Simplify right side
    11,375.03x = 126,642,595.13
  5. Step 5: Solve for x
    x = 126,642,595.13/11,375.03
  6. Step 6: Final answer
    x = 11,133.39

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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.