Home / 19,414.36-29,121.54-12,882.28

Finding the Fourth Proportional to 19,414.36, 29,121.54 and 12,882.28

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Solution

The fourth proportional to 19,414.36, 29,121.54 and 12,882.28 is: 19,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.36 : 29,121.54 = 12,882.28 : x
  2. Step 2: Convert to fraction form
    19,414.36/29,121.54 = 12,882.28/x
  3. Step 3: Cross multiply
    19,414.36x = 29,121.54 × 12,882.28
  4. Step 4: Simplify right side
    19,414.36x = 375,151,832.31
  5. Step 5: Solve for x
    x = 375,151,832.31/19,414.36
  6. Step 6: Final answer
    x = 19,323.42

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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.