Home / 11,544.22-15,933.36-9,021.34

Finding the Fourth Proportional to 11,544.22, 15,933.36 and 9,021.34

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Solution

The fourth proportional to 11,544.22, 15,933.36 and 9,021.34 is: 12,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.22 : 15,933.36 = 9,021.34 : x
  2. Step 2: Convert to fraction form
    11,544.22/15,933.36 = 9,021.34/x
  3. Step 3: Cross multiply
    11,544.22x = 15,933.36 × 9,021.34
  4. Step 4: Simplify right side
    11,544.22x = 143,740,260.90
  5. Step 5: Solve for x
    x = 143,740,260.90/11,544.22
  6. Step 6: Final answer
    x = 12,451.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.