Home / 11,128.53-15,357.81-6,092.46

Finding the Fourth Proportional to 11,128.53, 15,357.81 and 6,092.46

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Solution

The fourth proportional to 11,128.53, 15,357.81 and 6,092.46 is: 8,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.53 : 15,357.81 = 6,092.46 : x
  2. Step 2: Convert to fraction form
    11,128.53/15,357.81 = 6,092.46/x
  3. Step 3: Cross multiply
    11,128.53x = 15,357.81 × 6,092.46
  4. Step 4: Simplify right side
    11,128.53x = 93,566,843.11
  5. Step 5: Solve for x
    x = 93,566,843.11/11,128.53
  6. Step 6: Final answer
    x = 8,407.83

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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.