Home / 23,111.38-31,883.38-18,333.19

Finding the Fourth Proportional to 23,111.38, 31,883.38 and 18,333.19

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Solution

The fourth proportional to 23,111.38, 31,883.38 and 18,333.19 is: 25,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.38 : 31,883.38 = 18,333.19 : x
  2. Step 2: Convert to fraction form
    23,111.38/31,883.38 = 18,333.19/x
  3. Step 3: Cross multiply
    23,111.38x = 31,883.38 × 18,333.19
  4. Step 4: Simplify right side
    23,111.38x = 584,524,063.38
  5. Step 5: Solve for x
    x = 584,524,063.38/23,111.38
  6. Step 6: Final answer
    x = 25,291.61

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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.