Home / 13,351.25-18,424.84-7,383.32

Finding the Fourth Proportional to 13,351.25, 18,424.84 and 7,383.32

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Solution

The fourth proportional to 13,351.25, 18,424.84 and 7,383.32 is: 10,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.25 : 18,424.84 = 7,383.32 : x
  2. Step 2: Convert to fraction form
    13,351.25/18,424.84 = 7,383.32/x
  3. Step 3: Cross multiply
    13,351.25x = 18,424.84 × 7,383.32
  4. Step 4: Simplify right side
    13,351.25x = 136,036,379.09
  5. Step 5: Solve for x
    x = 136,036,379.09/13,351.25
  6. Step 6: Final answer
    x = 10,189.04

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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.