Home / 11,241.40-15,513.29-6,205.60

Finding the Fourth Proportional to 11,241.40, 15,513.29 and 6,205.60

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Solution

The fourth proportional to 11,241.40, 15,513.29 and 6,205.60 is: 8,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.40 : 15,513.29 = 6,205.60 : x
  2. Step 2: Convert to fraction form
    11,241.40/15,513.29 = 6,205.60/x
  3. Step 3: Cross multiply
    11,241.40x = 15,513.29 × 6,205.60
  4. Step 4: Simplify right side
    11,241.40x = 96,269,272.42
  5. Step 5: Solve for x
    x = 96,269,272.42/11,241.40
  6. Step 6: Final answer
    x = 8,563.82

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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.