Home / 11,390.07-17,048.64-6,112.11

Finding the Fourth Proportional to 11,390.07, 17,048.64 and 6,112.11

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Solution

The fourth proportional to 11,390.07, 17,048.64 and 6,112.11 is: 9,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.07 : 17,048.64 = 6,112.11 : x
  2. Step 2: Convert to fraction form
    11,390.07/17,048.64 = 6,112.11/x
  3. Step 3: Cross multiply
    11,390.07x = 17,048.64 × 6,112.11
  4. Step 4: Simplify right side
    11,390.07x = 104,203,163.03
  5. Step 5: Solve for x
    x = 104,203,163.03/11,390.07
  6. Step 6: Final answer
    x = 9,148.60

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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.