Home / 11,110.36-15,332.94-6,394.52

Finding the Fourth Proportional to 11,110.36, 15,332.94 and 6,394.52

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Solution

The fourth proportional to 11,110.36, 15,332.94 and 6,394.52 is: 8,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.36 : 15,332.94 = 6,394.52 : x
  2. Step 2: Convert to fraction form
    11,110.36/15,332.94 = 6,394.52/x
  3. Step 3: Cross multiply
    11,110.36x = 15,332.94 × 6,394.52
  4. Step 4: Simplify right side
    11,110.36x = 98,046,791.49
  5. Step 5: Solve for x
    x = 98,046,791.49/11,110.36
  6. Step 6: Final answer
    x = 8,824.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.