Home / 12,371.25-17,095.62-9,381.54

Finding the Fourth Proportional to 12,371.25, 17,095.62 and 9,381.54

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Solution

The fourth proportional to 12,371.25, 17,095.62 and 9,381.54 is: 12,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.25 : 17,095.62 = 9,381.54 : x
  2. Step 2: Convert to fraction form
    12,371.25/17,095.62 = 9,381.54/x
  3. Step 3: Cross multiply
    12,371.25x = 17,095.62 × 9,381.54
  4. Step 4: Simplify right side
    12,371.25x = 160,383,242.85
  5. Step 5: Solve for x
    x = 160,383,242.85/12,371.25
  6. Step 6: Final answer
    x = 12,964.19

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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.