Home / 19,391.16-29,086.76-5,540.16

Finding the Fourth Proportional to 19,391.16, 29,086.76 and 5,540.16

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Solution

The fourth proportional to 19,391.16, 29,086.76 and 5,540.16 is: 8,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.16 : 29,086.76 = 5,540.16 : x
  2. Step 2: Convert to fraction form
    19,391.16/29,086.76 = 5,540.16/x
  3. Step 3: Cross multiply
    19,391.16x = 29,086.76 × 5,540.16
  4. Step 4: Simplify right side
    19,391.16x = 161,145,304.28
  5. Step 5: Solve for x
    x = 161,145,304.28/19,391.16
  6. Step 6: Final answer
    x = 8,310.25

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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.