Home / 9,183.80-13,775.70-7,110.20

Finding the Fourth Proportional to 9,183.80, 13,775.70 and 7,110.20

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Solution

The fourth proportional to 9,183.80, 13,775.70 and 7,110.20 is: 10,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.80 : 13,775.70 = 7,110.20 : x
  2. Step 2: Convert to fraction form
    9,183.80/13,775.70 = 7,110.20/x
  3. Step 3: Cross multiply
    9,183.80x = 13,775.70 × 7,110.20
  4. Step 4: Simplify right side
    9,183.80x = 97,947,982.14
  5. Step 5: Solve for x
    x = 97,947,982.14/9,183.80
  6. Step 6: Final answer
    x = 10,665.30

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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.