Home / 11,321.51-16,982.19-6,160.19

Finding the Fourth Proportional to 11,321.51, 16,982.19 and 6,160.19

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Solution

The fourth proportional to 11,321.51, 16,982.19 and 6,160.19 is: 9,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.51 : 16,982.19 = 6,160.19 : x
  2. Step 2: Convert to fraction form
    11,321.51/16,982.19 = 6,160.19/x
  3. Step 3: Cross multiply
    11,321.51x = 16,982.19 × 6,160.19
  4. Step 4: Simplify right side
    11,321.51x = 104,613,517.02
  5. Step 5: Solve for x
    x = 104,613,517.02/11,321.51
  6. Step 6: Final answer
    x = 9,240.24

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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.