Home / 23,143.44-31,944.36-13,717.20

Finding the Fourth Proportional to 23,143.44, 31,944.36 and 13,717.20

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Solution

The fourth proportional to 23,143.44, 31,944.36 and 13,717.20 is: 18,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.44 : 31,944.36 = 13,717.20 : x
  2. Step 2: Convert to fraction form
    23,143.44/31,944.36 = 13,717.20/x
  3. Step 3: Cross multiply
    23,143.44x = 31,944.36 × 13,717.20
  4. Step 4: Simplify right side
    23,143.44x = 438,187,174.99
  5. Step 5: Solve for x
    x = 438,187,174.99/23,143.44
  6. Step 6: Final answer
    x = 18,933.54

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Similar ratio
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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.