Home / 12,449.43-18,668.79-5,048.64

Finding the Fourth Proportional to 12,449.43, 18,668.79 and 5,048.64

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Solution

The fourth proportional to 12,449.43, 18,668.79 and 5,048.64 is: 7,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.43 : 18,668.79 = 5,048.64 : x
  2. Step 2: Convert to fraction form
    12,449.43/18,668.79 = 5,048.64/x
  3. Step 3: Cross multiply
    12,449.43x = 18,668.79 × 5,048.64
  4. Step 4: Simplify right side
    12,449.43x = 94,251,999.95
  5. Step 5: Solve for x
    x = 94,251,999.95/12,449.43
  6. Step 6: Final answer
    x = 7,570.79

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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.