Home / 19,391.52-29,087.56-5,540.48

Finding the Fourth Proportional to 19,391.52, 29,087.56 and 5,540.48

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Solution

The fourth proportional to 19,391.52, 29,087.56 and 5,540.48 is: 8,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.52 : 29,087.56 = 5,540.48 : x
  2. Step 2: Convert to fraction form
    19,391.52/29,087.56 = 5,540.48/x
  3. Step 3: Cross multiply
    19,391.52x = 29,087.56 × 5,540.48
  4. Step 4: Simplify right side
    19,391.52x = 161,159,044.43
  5. Step 5: Solve for x
    x = 161,159,044.43/19,391.52
  6. Step 6: Final answer
    x = 8,310.80

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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.