Home / 13,862.72-20,792.56-5,540.58

Finding the Fourth Proportional to 13,862.72, 20,792.56 and 5,540.58

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Solution

The fourth proportional to 13,862.72, 20,792.56 and 5,540.58 is: 8,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.72 : 20,792.56 = 5,540.58 : x
  2. Step 2: Convert to fraction form
    13,862.72/20,792.56 = 5,540.58/x
  3. Step 3: Cross multiply
    13,862.72x = 20,792.56 × 5,540.58
  4. Step 4: Simplify right side
    13,862.72x = 115,202,842.08
  5. Step 5: Solve for x
    x = 115,202,842.08/13,862.72
  6. Step 6: Final answer
    x = 8,310.26

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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.