Home / 23,112.62-31,895.42-13,043.19

Finding the Fourth Proportional to 23,112.62, 31,895.42 and 13,043.19

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Solution

The fourth proportional to 23,112.62, 31,895.42 and 13,043.19 is: 17,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.62 : 31,895.42 = 13,043.19 : x
  2. Step 2: Convert to fraction form
    23,112.62/31,895.42 = 13,043.19/x
  3. Step 3: Cross multiply
    23,112.62x = 31,895.42 × 13,043.19
  4. Step 4: Simplify right side
    23,112.62x = 416,017,957.97
  5. Step 5: Solve for x
    x = 416,017,957.97/23,112.62
  6. Step 6: Final answer
    x = 17,999.61

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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.