Home / 13,617.92-18,796.32-8,032.64

Finding the Fourth Proportional to 13,617.92, 18,796.32 and 8,032.64

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Solution

The fourth proportional to 13,617.92, 18,796.32 and 8,032.64 is: 11,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.92 : 18,796.32 = 8,032.64 : x
  2. Step 2: Convert to fraction form
    13,617.92/18,796.32 = 8,032.64/x
  3. Step 3: Cross multiply
    13,617.92x = 18,796.32 × 8,032.64
  4. Step 4: Simplify right side
    13,617.92x = 150,984,071.88
  5. Step 5: Solve for x
    x = 150,984,071.88/13,617.92
  6. Step 6: Final answer
    x = 11,087.16

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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.