Home / 11,181.56-16,775.46-9,121.01

Finding the Fourth Proportional to 11,181.56, 16,775.46 and 9,121.01

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Solution

The fourth proportional to 11,181.56, 16,775.46 and 9,121.01 is: 13,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.56 : 16,775.46 = 9,121.01 : x
  2. Step 2: Convert to fraction form
    11,181.56/16,775.46 = 9,121.01/x
  3. Step 3: Cross multiply
    11,181.56x = 16,775.46 × 9,121.01
  4. Step 4: Simplify right side
    11,181.56x = 153,009,054.54
  5. Step 5: Solve for x
    x = 153,009,054.54/11,181.56
  6. Step 6: Final answer
    x = 13,684.06

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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.