Home / 13,792.44-20,679.75-6,393.09

Finding the Fourth Proportional to 13,792.44, 20,679.75 and 6,393.09

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Solution

The fourth proportional to 13,792.44, 20,679.75 and 6,393.09 is: 9,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.44 : 20,679.75 = 6,393.09 : x
  2. Step 2: Convert to fraction form
    13,792.44/20,679.75 = 6,393.09/x
  3. Step 3: Cross multiply
    13,792.44x = 20,679.75 × 6,393.09
  4. Step 4: Simplify right side
    13,792.44x = 132,207,502.93
  5. Step 5: Solve for x
    x = 132,207,502.93/13,792.44
  6. Step 6: Final answer
    x = 9,585.51

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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.