Home / 11,085.35-15,299.97-6,606.86

Finding the Fourth Proportional to 11,085.35, 15,299.97 and 6,606.86

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Solution

The fourth proportional to 11,085.35, 15,299.97 and 6,606.86 is: 9,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.35 : 15,299.97 = 6,606.86 : x
  2. Step 2: Convert to fraction form
    11,085.35/15,299.97 = 6,606.86/x
  3. Step 3: Cross multiply
    11,085.35x = 15,299.97 × 6,606.86
  4. Step 4: Simplify right side
    11,085.35x = 101,084,759.79
  5. Step 5: Solve for x
    x = 101,084,759.79/11,085.35
  6. Step 6: Final answer
    x = 9,118.77

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1.5x scale

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.