Home / 17,185.10-25,781.34-5,338.64

Finding the Fourth Proportional to 17,185.10, 25,781.34 and 5,338.64

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Solution

The fourth proportional to 17,185.10, 25,781.34 and 5,338.64 is: 8,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,185.10 : 25,781.34 = 5,338.64 : x
  2. Step 2: Convert to fraction form
    17,185.10/25,781.34 = 5,338.64/x
  3. Step 3: Cross multiply
    17,185.10x = 25,781.34 × 5,338.64
  4. Step 4: Simplify right side
    17,185.10x = 137,637,292.98
  5. Step 5: Solve for x
    x = 137,637,292.98/17,185.10
  6. Step 6: Final answer
    x = 8,009.11

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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.