Home / 11,407.44-17,116.59-7,902.84

Finding the Fourth Proportional to 11,407.44, 17,116.59 and 7,902.84

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Solution

The fourth proportional to 11,407.44, 17,116.59 and 7,902.84 is: 11,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.44 : 17,116.59 = 7,902.84 : x
  2. Step 2: Convert to fraction form
    11,407.44/17,116.59 = 7,902.84/x
  3. Step 3: Cross multiply
    11,407.44x = 17,116.59 × 7,902.84
  4. Step 4: Simplify right side
    11,407.44x = 135,269,672.12
  5. Step 5: Solve for x
    x = 135,269,672.12/11,407.44
  6. Step 6: Final answer
    x = 11,858.02

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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.