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Finding the Fourth Proportional to 13,051.44, 17,999.88 and 9,082.04

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Solution

The fourth proportional to 13,051.44, 17,999.88 and 9,082.04 is: 12,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.44 : 17,999.88 = 9,082.04 : x
  2. Step 2: Convert to fraction form
    13,051.44/17,999.88 = 9,082.04/x
  3. Step 3: Cross multiply
    13,051.44x = 17,999.88 × 9,082.04
  4. Step 4: Simplify right side
    13,051.44x = 163,475,540.16
  5. Step 5: Solve for x
    x = 163,475,540.16/13,051.44
  6. Step 6: Final answer
    x = 12,525.48

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Similar ratio
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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.