Home / 11,070.36-16,605.50-3,278.54

Finding the Fourth Proportional to 11,070.36, 16,605.50 and 3,278.54

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Solution

The fourth proportional to 11,070.36, 16,605.50 and 3,278.54 is: 4,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.36 : 16,605.50 = 3,278.54 : x
  2. Step 2: Convert to fraction form
    11,070.36/16,605.50 = 3,278.54/x
  3. Step 3: Cross multiply
    11,070.36x = 16,605.50 × 3,278.54
  4. Step 4: Simplify right side
    11,070.36x = 54,441,795.97
  5. Step 5: Solve for x
    x = 54,441,795.97/11,070.36
  6. Step 6: Final answer
    x = 4,917.80

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Double scale
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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.