Home / 23,187.26-31,995.50-13,754

Finding the Fourth Proportional to 23,187.26, 31,995.50 and 13,754

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Solution

The fourth proportional to 23,187.26, 31,995.50 and 13,754 is: 18,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.26 : 31,995.50 = 13,754 : x
  2. Step 2: Convert to fraction form
    23,187.26/31,995.50 = 13,754/x
  3. Step 3: Cross multiply
    23,187.26x = 31,995.50 × 13,754
  4. Step 4: Simplify right side
    23,187.26x = 440,066,107
  5. Step 5: Solve for x
    x = 440,066,107/23,187.26
  6. Step 6: Final answer
    x = 18,978.79

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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.