Home / 11,091.84-15,274.08-9,912.48

Finding the Fourth Proportional to 11,091.84, 15,274.08 and 9,912.48

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Solution

The fourth proportional to 11,091.84, 15,274.08 and 9,912.48 is: 13,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.84 : 15,274.08 = 9,912.48 : x
  2. Step 2: Convert to fraction form
    11,091.84/15,274.08 = 9,912.48/x
  3. Step 3: Cross multiply
    11,091.84x = 15,274.08 × 9,912.48
  4. Step 4: Simplify right side
    11,091.84x = 151,404,012.52
  5. Step 5: Solve for x
    x = 151,404,012.52/11,091.84
  6. Step 6: Final answer
    x = 13,650.04

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Double scale
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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.