Home / 12,664.44-17,452.26-9,120.96

Finding the Fourth Proportional to 12,664.44, 17,452.26 and 9,120.96

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Solution

The fourth proportional to 12,664.44, 17,452.26 and 9,120.96 is: 12,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.44 : 17,452.26 = 9,120.96 : x
  2. Step 2: Convert to fraction form
    12,664.44/17,452.26 = 9,120.96/x
  3. Step 3: Cross multiply
    12,664.44x = 17,452.26 × 9,120.96
  4. Step 4: Simplify right side
    12,664.44x = 159,181,365.37
  5. Step 5: Solve for x
    x = 159,181,365.37/12,664.44
  6. Step 6: Final answer
    x = 12,569.16

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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.