Home / 13,201.65-18,218.25-7,233.51

Finding the Fourth Proportional to 13,201.65, 18,218.25 and 7,233.51

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Solution

The fourth proportional to 13,201.65, 18,218.25 and 7,233.51 is: 9,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.65 : 18,218.25 = 7,233.51 : x
  2. Step 2: Convert to fraction form
    13,201.65/18,218.25 = 7,233.51/x
  3. Step 3: Cross multiply
    13,201.65x = 18,218.25 × 7,233.51
  4. Step 4: Simplify right side
    13,201.65x = 131,781,893.56
  5. Step 5: Solve for x
    x = 131,781,893.56/13,201.65
  6. Step 6: Final answer
    x = 9,982.23

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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.