Home / 11,085.85-16,628.78-7,395.29

Finding the Fourth Proportional to 11,085.85, 16,628.78 and 7,395.29

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Solution

The fourth proportional to 11,085.85, 16,628.78 and 7,395.29 is: 11,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.85 : 16,628.78 = 7,395.29 : x
  2. Step 2: Convert to fraction form
    11,085.85/16,628.78 = 7,395.29/x
  3. Step 3: Cross multiply
    11,085.85x = 16,628.78 × 7,395.29
  4. Step 4: Simplify right side
    11,085.85x = 122,974,650.45
  5. Step 5: Solve for x
    x = 122,974,650.45/11,085.85
  6. Step 6: Final answer
    x = 11,092.94

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Double scale
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Similar ratio
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1.5x scale

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.