Home / 17,131.36-23,645.22-11,152.61

Finding the Fourth Proportional to 17,131.36, 23,645.22 and 11,152.61

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Solution

The fourth proportional to 17,131.36, 23,645.22 and 11,152.61 is: 15,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,131.36 : 23,645.22 = 11,152.61 : x
  2. Step 2: Convert to fraction form
    17,131.36/23,645.22 = 11,152.61/x
  3. Step 3: Cross multiply
    17,131.36x = 23,645.22 × 11,152.61
  4. Step 4: Simplify right side
    17,131.36x = 263,705,917.02
  5. Step 5: Solve for x
    x = 263,705,917.02/17,131.36
  6. Step 6: Final answer
    x = 15,393.17

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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.