Home / 11,085.91-15,298.43-6,835.25

Finding the Fourth Proportional to 11,085.91, 15,298.43 and 6,835.25

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Solution

The fourth proportional to 11,085.91, 15,298.43 and 6,835.25 is: 9,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.91 : 15,298.43 = 6,835.25 : x
  2. Step 2: Convert to fraction form
    11,085.91/15,298.43 = 6,835.25/x
  3. Step 3: Cross multiply
    11,085.91x = 15,298.43 × 6,835.25
  4. Step 4: Simplify right side
    11,085.91x = 104,568,597.73
  5. Step 5: Solve for x
    x = 104,568,597.73/11,085.91
  6. Step 6: Final answer
    x = 9,432.57

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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.