Home / 19,556.28-29,291.94-12,036.92

Finding the Fourth Proportional to 19,556.28, 29,291.94 and 12,036.92

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Solution

The fourth proportional to 19,556.28, 29,291.94 and 12,036.92 is: 18,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.28 : 29,291.94 = 12,036.92 : x
  2. Step 2: Convert to fraction form
    19,556.28/29,291.94 = 12,036.92/x
  3. Step 3: Cross multiply
    19,556.28x = 29,291.94 × 12,036.92
  4. Step 4: Simplify right side
    19,556.28x = 352,584,738.42
  5. Step 5: Solve for x
    x = 352,584,738.42/19,556.28
  6. Step 6: Final answer
    x = 18,029.23

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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.