Home / 11,040.96-15,237.60-8,241.60

Finding the Fourth Proportional to 11,040.96, 15,237.60 and 8,241.60

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Solution

The fourth proportional to 11,040.96, 15,237.60 and 8,241.60 is: 11,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.96 : 15,237.60 = 8,241.60 : x
  2. Step 2: Convert to fraction form
    11,040.96/15,237.60 = 8,241.60/x
  3. Step 3: Cross multiply
    11,040.96x = 15,237.60 × 8,241.60
  4. Step 4: Simplify right side
    11,040.96x = 125,582,204.16
  5. Step 5: Solve for x
    x = 125,582,204.16/11,040.96
  6. Step 6: Final answer
    x = 11,374.21

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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.