Home / 19,274.76-28,794.42-12,556.62

Finding the Fourth Proportional to 19,274.76, 28,794.42 and 12,556.62

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Solution

The fourth proportional to 19,274.76, 28,794.42 and 12,556.62 is: 18,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.76 : 28,794.42 = 12,556.62 : x
  2. Step 2: Convert to fraction form
    19,274.76/28,794.42 = 12,556.62/x
  3. Step 3: Cross multiply
    19,274.76x = 28,794.42 × 12,556.62
  4. Step 4: Simplify right side
    19,274.76x = 361,560,590.06
  5. Step 5: Solve for x
    x = 361,560,590.06/19,274.76
  6. Step 6: Final answer
    x = 18,758.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.