Home / 19,148.54-28,735.76-6,668.66

Finding the Fourth Proportional to 19,148.54, 28,735.76 and 6,668.66

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Solution

The fourth proportional to 19,148.54, 28,735.76 and 6,668.66 is: 10,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.54 : 28,735.76 = 6,668.66 : x
  2. Step 2: Convert to fraction form
    19,148.54/28,735.76 = 6,668.66/x
  3. Step 3: Cross multiply
    19,148.54x = 28,735.76 × 6,668.66
  4. Step 4: Simplify right side
    19,148.54x = 191,629,101.79
  5. Step 5: Solve for x
    x = 191,629,101.79/19,148.54
  6. Step 6: Final answer
    x = 10,007.51

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1.5x scale

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.