Home / 11,077.40-16,583.70-7,383.80

Finding the Fourth Proportional to 11,077.40, 16,583.70 and 7,383.80

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Solution

The fourth proportional to 11,077.40, 16,583.70 and 7,383.80 is: 11,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.40 : 16,583.70 = 7,383.80 : x
  2. Step 2: Convert to fraction form
    11,077.40/16,583.70 = 7,383.80/x
  3. Step 3: Cross multiply
    11,077.40x = 16,583.70 × 7,383.80
  4. Step 4: Simplify right side
    11,077.40x = 122,450,724.06
  5. Step 5: Solve for x
    x = 122,450,724.06/11,077.40
  6. Step 6: Final answer
    x = 11,054.10

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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.