Home / 16,986-23,430.52-10,687.44

Finding the Fourth Proportional to 16,986, 23,430.52 and 10,687.44

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Solution

The fourth proportional to 16,986, 23,430.52 and 10,687.44 is: 14,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986 : 23,430.52 = 10,687.44 : x
  2. Step 2: Convert to fraction form
    16,986/23,430.52 = 10,687.44/x
  3. Step 3: Cross multiply
    16,986x = 23,430.52 × 10,687.44
  4. Step 4: Simplify right side
    16,986x = 250,412,276.67
  5. Step 5: Solve for x
    x = 250,412,276.67/16,986
  6. Step 6: Final answer
    x = 14,742.27

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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.