Home / 11,817.56-17,727.96-5,243.60

Finding the Fourth Proportional to 11,817.56, 17,727.96 and 5,243.60

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Solution

The fourth proportional to 11,817.56, 17,727.96 and 5,243.60 is: 7,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.56 : 17,727.96 = 5,243.60 : x
  2. Step 2: Convert to fraction form
    11,817.56/17,727.96 = 5,243.60/x
  3. Step 3: Cross multiply
    11,817.56x = 17,727.96 × 5,243.60
  4. Step 4: Simplify right side
    11,817.56x = 92,958,331.06
  5. Step 5: Solve for x
    x = 92,958,331.06/11,817.56
  6. Step 6: Final answer
    x = 7,866.12

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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.