Home / 13,617.54-18,792.66-7,650.26

Finding the Fourth Proportional to 13,617.54, 18,792.66 and 7,650.26

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Solution

The fourth proportional to 13,617.54, 18,792.66 and 7,650.26 is: 10,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.54 : 18,792.66 = 7,650.26 : x
  2. Step 2: Convert to fraction form
    13,617.54/18,792.66 = 7,650.26/x
  3. Step 3: Cross multiply
    13,617.54x = 18,792.66 × 7,650.26
  4. Step 4: Simplify right side
    13,617.54x = 143,768,735.09
  5. Step 5: Solve for x
    x = 143,768,735.09/13,617.54
  6. Step 6: Final answer
    x = 10,557.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.