Home / 11,003.40-16,466.70-10,081.80

Finding the Fourth Proportional to 11,003.40, 16,466.70 and 10,081.80

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Solution

The fourth proportional to 11,003.40, 16,466.70 and 10,081.80 is: 15,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.40 : 16,466.70 = 10,081.80 : x
  2. Step 2: Convert to fraction form
    11,003.40/16,466.70 = 10,081.80/x
  3. Step 3: Cross multiply
    11,003.40x = 16,466.70 × 10,081.80
  4. Step 4: Simplify right side
    11,003.40x = 166,013,976.06
  5. Step 5: Solve for x
    x = 166,013,976.06/11,003.40
  6. Step 6: Final answer
    x = 15,087.52

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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.