Home / 23,187.07-31,997.73-13,115.17

Finding the Fourth Proportional to 23,187.07, 31,997.73 and 13,115.17

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Solution

The fourth proportional to 23,187.07, 31,997.73 and 13,115.17 is: 18,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.07 : 31,997.73 = 13,115.17 : x
  2. Step 2: Convert to fraction form
    23,187.07/31,997.73 = 13,115.17/x
  3. Step 3: Cross multiply
    23,187.07x = 31,997.73 × 13,115.17
  4. Step 4: Simplify right side
    23,187.07x = 419,655,668.56
  5. Step 5: Solve for x
    x = 419,655,668.56/23,187.07
  6. Step 6: Final answer
    x = 18,098.69

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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.