Home / 15,781.73-23,668.54-4,685.84

Finding the Fourth Proportional to 15,781.73, 23,668.54 and 4,685.84

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Solution

The fourth proportional to 15,781.73, 23,668.54 and 4,685.84 is: 7,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.73 : 23,668.54 = 4,685.84 : x
  2. Step 2: Convert to fraction form
    15,781.73/23,668.54 = 4,685.84/x
  3. Step 3: Cross multiply
    15,781.73x = 23,668.54 × 4,685.84
  4. Step 4: Simplify right side
    15,781.73x = 110,907,029.92
  5. Step 5: Solve for x
    x = 110,907,029.92/15,781.73
  6. Step 6: Final answer
    x = 7,027.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.