Home / 23,131.13-31,919.13-13,062.02

Finding the Fourth Proportional to 23,131.13, 31,919.13 and 13,062.02

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Solution

The fourth proportional to 23,131.13, 31,919.13 and 13,062.02 is: 18,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.13 : 31,919.13 = 13,062.02 : x
  2. Step 2: Convert to fraction form
    23,131.13/31,919.13 = 13,062.02/x
  3. Step 3: Cross multiply
    23,131.13x = 31,919.13 × 13,062.02
  4. Step 4: Simplify right side
    23,131.13x = 416,928,314.44
  5. Step 5: Solve for x
    x = 416,928,314.44/23,131.13
  6. Step 6: Final answer
    x = 18,024.55

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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.