Home / 15,231.96-21,022.83-9,183.29

Finding the Fourth Proportional to 15,231.96, 21,022.83 and 9,183.29

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Solution

The fourth proportional to 15,231.96, 21,022.83 and 9,183.29 is: 12,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231.96 : 21,022.83 = 9,183.29 : x
  2. Step 2: Convert to fraction form
    15,231.96/21,022.83 = 9,183.29/x
  3. Step 3: Cross multiply
    15,231.96x = 21,022.83 × 9,183.29
  4. Step 4: Simplify right side
    15,231.96x = 193,058,744.51
  5. Step 5: Solve for x
    x = 193,058,744.51/15,231.96
  6. Step 6: Final answer
    x = 12,674.58

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Double scale
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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.